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Fire Won't Burn Me

Summary:

“What is it, Dr. Robby?” He asks, finally, and Robby doesn’t miss the way his voice all-but cracks on the few short words. They’re addressed to the stretch of tile between them.

Well, might as well rip off the bandage.

“Are you using again?”

***

Robby thinks Langdon is using again. Or maybe it's just his heat.

Notes:

(See the end of the work for notes.)

Work Text:

It’s 8am on a Monday morning in the Pitt and Langdon is using again. Robby’s certain of it.

“Langdon?”

They’re posted up at the charge nurse’s station, Langdon’s elbows planted on the counter and his eyes blank and glassy as he stares up at the triage board. It makes Robby sick to his stomach.

Langdon,” he says it again, and the Beta finally turns and looks at him. His lips are parted and red. Langdon has to blink to focus his gaze. Robby repeats himself. “They need you in north twelve.”

Robby’s nostrils flare as he tries to get a scent off of him. For a Beta, Langdon’s scent has always been surprisingly easy to read, mild as it is. Right now, though, it’s murky. There’s anxiety there, certainly, but the rest of it – whatever’s going on in his mind – is indecipherable. Robby can’t make any sense of it.

“What? Oh,” Langdon’s pale, waxy cheeks flush. Even with the three feet of distance between them, Robby can tell he’s sweating. It gathers at his hairline and darkens the neckline of his undershirt. Robby’s gut squirms. “Yeah, I’ll get right on it.”

Robby has a sneaking suspicion he didn’t hear a word he said. Sure enough, he sets off in the opposite direction.

“North twelve,” he repeats, maybe a little more forceful than necessary.

“Right,” Langdon laughs, a little breathy, and shoots him an apologetic smile as he turns on his heel.

For the next two hours, Robby has the distinct displeasure of watching his own suspicions confirm themselves over and over again. Even the other nurses and doctors notice it. He catches sideways glances, double takes, evaluating once-overs. Something is deeply wrong with Langdon, and to Robby’s trained eye, whatever it is has all the hallmarks of a relapse.

Frankly, he wonders how he didn’t catch it the first time around.

Robby knows he should step in sooner. Hell, he should have grabbed him by the collar and ripped him off the floor at the first sign, but dammit he needs to be sure. After all the promises Langdon made, after all the months of detox then therapy and hospital-ordered drugs tests, the divorce and subsequent extended custody battle, he doesn’t want to believe that what he’s seeing is what he thinks it is.

Langdon is supposed to be better, and all the most logical, human-centric ideology about how “relapses are a normal part recovery” don’t change the fact that Robby let him back in his ER. Trusted him. And now he’s stealing from him again. Putting patient’s lives and his own well-being in jeopardy again.

It’s when Langdon fumbles running a line for the third time in a row and Robby catches Jesse and Princess sharing a significant glance that he can’t take it anymore.

“Dr. Santos, can you take over? Dr. Langdon, a word?”

The contrite hunch of Landon’s shoulders is just about all the confession Robby needs as he leads him out of the room, down the hall, and into an empty patient room. As soon as the door closes behind them, Langdon is skirting around him, leaving a wide berth so he can stand with his back to the wall at the far side of the room. Far enough away that Robby doesn’t have a hope in hell of reading anything into his scent, not with the smell of hospital antiseptic clinging to every inch of the recently-cleaned room. It’s intentional, he’s sure.

For a moment, Robby just looks at him. Waits for a confession, maybe, but Langdon isn’t looking back at him.

He’s twitchy, that’s for sure. His hands fidget with the hem of his scrub top as he shifts his weight from one foot to the other. That flush is back on his cheeks, and Robby notes the way his Adam’s apple bobs when he swallows. Guilty conscience, perhaps.

“What is it, Dr. Robby?” He asks, finally, and Robby doesn’t miss the way his voice all-but cracks on the few short words. They’re addressed to the stretch of tile between them.

Well, might as well rip off the bandage.

“Are you using again?”

That gets his attention. Langdon’s eyes flash to his, and Robby notes the way that they’re dilated. The ring of blue around his pupils is thin. More confirmation settles like a fifty-pound weight around his shoulders.

“What?”

Cold dread turns to white hot anger again. Robby could scream. Instead, he remembers himself, remembers where they are and the thin partition enclosing him, remembers his own therapist’s reminders that he needs to be patient with Langdon’s faults, that they aren’t a personal attack. Sure as hell feels like they are right now, though.

“Are you using again?” He repeats, slow and deliberate. Robby can’t quite tell what his own expression is doing, something torn between grief and anger and painful, aching betrayal.

Whatever it is, Langdon’s shoulders go tense, defensive. His gaze hardens.

“No,” he says, flatly. “I’m not.”

Robby doesn’t believe him for a second.

“Don’t lie to me, Frank,” Robby warns. “Because it sure as hell looks-“

“I’m not,” Langdon interrupts. “I swear. Robby, you’ve gotta believe me.”

Something about his tone rankles. Because unlike the last time, his voice lacks the same manipulative edge that still keeps Robby up at night. There’s a sincerity in his gaze that terrifies him. Either Langdon’s a better liar now than he was back then, knows how to hide it, or-

“Then what the fuck is going on with you?”

Langdon visibly flinches away from the tone. Robby desperately wants to get closer, get a better read off of him, but he forces himself to stay put. His fingers dig into his biceps as he struggles to keep himself still. Instead of getting anything from the scent of the Beta standing before him, Robby’s senses are overloaded with his own Alpha scent. There’s no helping it – irritation oozes out of him. Strong, unmistakable.

He thinks he catches the moment Langdon gets a whiff of him too. He freezes.

“It’s nothing,” Langdon grits out. His eyes are back on the floor, and his hands are clenched into fists at his sides. “I just need to go home. I shouldn’t have come in today.”

That makes Robby pause. He’s never known Langdon to skip out on work if he could help it.

“Frank…”

Langdon’s eyes are squeezed shut, a grimace on his lips. Concern, like bile, crawls up the back of Robby’s throat.

“I just need to go home.”

It’s not drugs, clearly it’s not, but whatever it is has impacted Langdon so severely that he can’t tamp down the desperate urge to know. Maybe because he’s a doctor, or Langdon’s attending, or some instinctually buried Alpha urge to protect. Either way.

“Okay,” he finds himself saying. His hands come up between them – open and placating – as he takes a step toward him. “Alright. You can go home. But I’m not letting you leave until I know what’s going on with you.”

Langdon shakes his head. He’s biting his lip, and now it’s his turn to cross his arms over his chest. Protective. Robby’s chest burns with it.

“I can’t.”

His frown deepens. He takes another step, and then another. Back against the wall already as he is, Langdon can’t move away from him. When his eyes flash back up to his face, Robby’s surprised to see a note of uncertainty there. Like he isn’t even sure if he wants to back away.

Robby stops a foot away from him. Any hint of that earlier anger, betrayal, is long gone. Instead, there’s only concern. He’s struck a little dumb by the urge to help this Beta in front of him. It’s Langdon, of course he wants to help, but it’s never been like this. Well, he’s never allowed himself to be like this, more specifically. Never looked too closely at the urge to-

He lets himself reach out, and Langdon watches him warily. He’s holding his breath, Robby can tell. It makes his brow furrow. When the back of his hand touches Langdon’s forehead, he’s stunned by how warm he feels. The idiot is running a fever. Why the hell did he-

When Robby pulls in a breath, ready to chew him out for coming into work when he’s obviously running a fever, he finally catches it.

Heat scent. Sweet, and a little sickly, and absolutely unmistakeable. His eyes go wide.

Taking advantage of Robby’s sudden and complete confusion, Langdon slips out from under his touch and around him, putting himself between Robby and the door.

“Like I said,” his voice is breathy, insubstantial. “I need to go home.”

It takes Robby a long beat before he’s able to turn around to face him again. He feels like he just got punched. Years of working with this Beta and he’s- Langdon’s-

“What the fuck, Frank?”

Langdon’s cheeks flame, and Robby’s suddenly uncertain if it’s from embarrassment or his oncoming heat. Doesn’t matter, really. The sight of it makes something in his chest squeeze tight. Unmated Omega in heat right before him and every bit of the decades of medical training in him seems to fly right out the window. He has to breathe through his mouth to try to keep his head on straight. It only sort of works.

Langdon squeezes his eyes shut again.

“It’s a breakthrough,” he admits, pained. “Or I missed a dose. It’s-“

Suppressants. God, of course. There’s no way he’d be able to work in the hospital without them. An Omega doctor is utterly unheard of. Years of working together in close proximity, as close as a mentor and mentee could be, and he never noticed. Langdon never trusted him with his secret. Of course, he also never noticed…

“When was your last heat?” Robby falls back on clinical observation. His only safety net here.

Langdon bites his lip. It’s clear he doesn’t want to answer that. Robby’s eyes narrow.

“Frank…”

“I haven’t had one since pre-med.”

The words hit Robby like a punch in the gut. It’s been years. Data points flash through his mind, the repercussions on Langdon’s reproductive system, his endocrine system, from over a decade without a heat. He has to have been taking his suppressants the entire time. What doctor wouldn’t follow up on ensuring at least annual heats?

Robby’s a little dizzy.

“But you and Abby. You adopted-“

It’s a nonsensical detour, but he has to ask. Of course, it’s normal for Beta couples to adopt. But when there’s an Omega in the partnership…

Langdon frowns at him. Robby knows it’s over the line, pulls an apologetic face and opens his mouth to take back his words but Langdon’s already answering.

“She didn’t want to deal with finding an Alpha, and I didn’t want to risk my career with a pregnancy,” he says, like it’s obvious. Robby supposes it is. “Now, if you’ll excuse me-“

He makes another move toward the door, and Robby doesn’t even think before he’s stepping up beside him again. His fingers find Langdon’s wrist, wrap around it gently to hold him back.

“No,” he says. This close, the scent of his heat is heady, and Robby regrets it immediately. But this is dangerous, and it’s his job to look out for the safety of his resident. Omega or otherwise. “You’re not walking home alone. If any Alpha on the street catches a whiff of you-“

Just the thought of it makes something squirm in his gut. Robby refuses to acknowledge what that sensation may be.

Normally, Langdon would argue. He’d puff out his chest and stare Robby down as he argues that he’s right on this and he’ll be just fine, thank you very much. It’s a sign of the impending heat, maybe, that he pauses.

“What am I going to do?”

Wide, blue eyes find Robby’s face, and he swallows against the rising tide of emotions they inspire in him. Every stupid, irrational instinct in Robby is telling him to lock the door behind him and knot Langdon up right here. Stupid. Irresponsible, for one. Crossing all matter of lines – both personal and professional – for another. He has to shake his head to clear it.

“I’ll walk you home,” he says, and doesn’t recognize his own voice. It’s low, rough and vibrating in his chest.

God, when was the last time he’s been around an Omega in heat?

The trust in Langdon’s gaze can only be explained by his reasoning abilities declining as his heat sets in. If he were at all capable of rational decision-making, he’d tell Robby off for this. Insist on a Beta to take him home instead, maybe. Of course, a Beta wouldn’t likely be able to fend off an interested Alpha, but it would at least be safer than this. Not that Robby is going to do anything – would never dream of it – but this is uncharted territory for the both of them.

“Okay,” Langdon nods.

“Okay,” Robby agrees, breathless.

With that settled, now comes the difficult part: getting Langdon out of here without alerting the entire staff to what’s going on. Now that he knows, he’s not about to risk Langdon’s career if he can help it. Without thinking too hard about it, Robby strips off his hoodie and shoves it into Langdon’s arms.

“Here,” he says. “Put it on. That should mask it until we can get out of here.”

Surprisingly, Langdon doesn’t argue. Instead, he tugs on the sweatshirt, pulling it tight when he wraps his arms around his midsection. Something hot flares in Robby’s gut at the sight of it, the way his Alpha scent immediately mixes with Langdon’s, and he has to tear his attention away.

“Just need to tell Dana we’re leaving,” Robby clears his throat. “Then we’ll get you home.”

The urge to get his hands on Langdon is almost overwhelming. Every instinct in him wants to touch, to keep a hand on his shoulder or elbow or the small of his back and know, without a shadow of a doubt, that this Omega in heat is safe. It’s maddening.

Langdon, at least, seems to understand the gravity of the situation. He keeps close to Robby as they navigate through the halls to Dana’s station.

By the time they’re finished speaking, Robby wouldn’t be able to tell you a word that was said. All he knows is that Dana’s going to hold down the fort until Robby returns from his errand. There had been a knowing look in her eyes as Dana had shooed them off, but he’ll confront that when he gets back. Dana’s not one for gossip, anyway.

“You ready?”

Langdon’s gaze is glassy again, hovering beside Robby as he finishes passing of what he can, but he manages to bring his attention back to Robby and nod.

It’s a muggy, mid-summer day in Pittsburgh when they step outside of the gloriously air-conditioned confines of the Pitt. Robby reaches for his sweatshirt, certain that the city’s heat combined with Langdon’s low-grade fever have to make wearing the thing a nightmare, but Langdon just shakes his head and pulls it a little tighter.

Smart, Robby thinks. It’s not just their coworkers that they should worry about catching a whiff of him. And if he catches Langdon pulling the collar of it to his nose, breathing in the fleece, he’s not going to call him on it.

The walk to Langdon’s new apartment is torturous. Though it’s only a few short blocks away, Robby’s hyper-aware of every Alpha they pass, and it makes him twitchy. They only make it across the nearest intersection before he can’t take it anymore. He slips his arm around Langdon’s shoulders and hauls him against his side.

“Sorry,” he explains, lowly, into his ear. “I don’t trust that guy.”

The Alpha in question is thirty feet away and has his nose buried in his phone. Langdon is either too distracted or too polite to call him on it. He nods, and presses himself closer against Robby’s flank. Robby picks up the pace.

By the time they make it to Langdon’s front door, Robby feels like he’s about to crawl out of his skin. The warm Omega beneath his arm is activating every single instinct in his body. He’s half-hard and desperately hoping Langdon won’t notice. He can’t help it – centuries of evolution mean he’s hard-wired to take advantage of the situation. Langdon’s scent is a siren’s call, urging him to knot him up and put a pup inside of him as soon as possible.

“Alright,” he says, gritting his teeth, when Langdon finally gets the door unlocked. It swings open, and the scent of Omega wafts out toward him, heady and strong. Apparently, this heat has been brewing for a while. He probably didn’t notice – it’s been too long since he’s had one. The thought makes him a little crazy. “Now, lock the door behind you and don’t open it for anyone. You got it?”

Langdon looks so small, like this. Even though he’s the same height as Robby, the way he hunches his shoulders beneath the sweatshirt makes him seem tiny. Vulnerable. The sight of him has Robby sucking in a breath, and he regrets it immediately.

It’s a crime, he thinks, that Langdon’s suppressants have masked his scent so entirely over the years. He smells incredible, and Robby doesn’t think it’s just the heat making him more alluring. It hasn’t even been an hour and already it’s so familiar, so very Langdon, every whiff of it sinks right down into his chest and makes a home there. He’ll have to examine that thought more closely later. Or not. Preferably not.

Robby has never been accused of having a good poker face. His swirling, confused thoughts must show on his face, because Langdon isn’t nodding. And he isn’t closing the door, either. Instead, he stands there in the doorframe, the picture of temptation with his flushed cheeks and wide, earnest eyes. Robby’s sweatshirt isn’t doing him any good anymore – now he just smells like heat and Robby all mixed together, and it makes his gut clench.

“Or you could stay.”

The sound that breaks free from Robby’s throat is deep and guttural. He shouldn’t. He can’t. Langdon’s not in any mindset to be making these kinds of decisions, and even if he were he certainly wouldn’t-

“No,” Robby doesn’t let himself pursue the tail end of that thought. “You need to go upstairs, put together a nest, and take care of yourself with a fake knot.”

He’s trying for his best Dr. Robby voice. He doesn’t think it’s working very well.

Langdon licks his lips. None of Robby’s words seem to have registered as he tracks his gaze down Robby’s throat, his chest, down to his crotch. Robby doesn’t dare follow his gaze, but he knows what he’s seeing anyway. It has to be obvious, the way his body is reacting to the Omega before him.

“Frank,” he cautions. “Go on.”

The certainty has all-but vanished from his voice. He hopes Langdon can’t hear it, but he’s pretty sure he can.

Langdon draws in a deep, shuddering breath. “Please?”

It would be easier to turn him down if there was anything artful in his request, if there was even a hint of seduction. Instead, the look Langdon turns on Robby is nothing but utter, desperate need.

His lips are parted, slick and a little red, and there’s a plea in his eyes that Robby has never seen before. It makes his knees weak. From this close, he watches as a bead of sweat drops from the short hairs at his temple, down his jaw, and to his throat. Robby itches to chase it with his tongue, finds himself swaying forward before he can catch himself. He doesn’t realize he hasn’t responded until Langdon speaks again.

“Robby,” he breathes, takes a step forward. “Alpha,” his hands find Robby’s waist. Langdon fists his hand in he scrubs there, takes another step forward. It puts him so close that Robby can feel the heat radiating off of his skin.

Robby has to squeeze his eyes shut. He’s holding his breath. He knows if he gets another hit of his scent, alluring as it is, he won’t be able to say no. He has to get out of here. He’s got to-

“Can you please give me your knot? Please?

There’s no helping it. He sucks in a deep, surprised breath as his eyes flash open once more. Langdon’s still watching him with that intense gaze. His scent has ratcheted up another level, or maybe it’s just because he’s so close. Either way.

“Okay,” Robby finds himself saying. He lifts his hands to cup Langdon’s cheeks, brushes a thumb over the heated skin. “I’ll take care of you. Of course, of course baby-“

Reality tilts on its head when Robby leans down to press his lips to Langdon’s. It’s a heady sensation, finally feeling those plush lips beneath his own after years of admiring them from a distance. There’s a flush of pleased, victorious joy in Langdon’s scent when Robby slips his tongue between his lips. His grip tightens, hauling him further into his space, and Robby lets himself be moved. The door slams shut behind them. Robby doesn’t remember kicking it closed, but he must have.

“Bedroom?” He breathes when he can finally tear himself away. He’d do it right here, knot him against the front door or on the carpet or the couch, bent over the side table – anywhere. But, Langdon hasn’t had a knot in years. A decade. He’s going to make this good. The surety of that decision should shock him, but he’s already far beyond that.

He can see the way the words take a second to penetrate the fog of Langdon’s mind, the way he blinks up at him stupidly for a split second too long, but finally he nods. “Yeah. Yeah, this way.”

His fingers find Robby’s hand, catch and hold and squeeze gently, and it sends a burst of unexpected warmth that has little to do with the heat skittering through Robby’s system. Later, he thinks.

The twenty feet to Langdon’s bed feel even longer than the five blocks they just walked to get here. As soon as they cross the threshold, he can’t take it any longer. Robby uses the grip on Langdon’s hand to haul him back against his chest. The Omega goes willingly, pressing himself to Robby and making a pleased, needy noise as he arches up for another kiss.

This one’s even filthier than the last. There’s no art to it, no hesitation either, as he licks into Langdon’s mouth and groans at the taste of him. For his part, Langdon seems intent on getting at skin wherever he can find it. His hands slip down Robby’s arms, squeezing his biceps, gliding over his forearms, before finally slipping up under the hem of Robby’s scrub top. He tugs his undershirt free from his pants and gets his hands up under there, too.

His touch is so heated when he finally gets his fingers on Robby’s stomach, his hips, that it startles a growl from somewhere deep in Robby’s chest. Langdon shivers in response and slips his hands up higher.

For his part, Robby’s got his fingers fisted in Langdon’s hair, dark strands long enough that he can get a good grip and tug. It makes Langdon’s mouth go slack and Robby takes full advantage. He bites down on his lower lip and pulls before he’s soothing it with a wet swipe of his tongue. Mission accomplished: when he pulls back to look at him Langdon’s lips are, somehow, even redder and more swollen. Robby thinks, deliriously, that he wants to do that to every inch of his body.

It’s been a long time since Robby has helped an Omega through their heat, and never one as responsive as Langdon. It’s heady, addictive, and Robby wants to spend forever here with him. Just like this. Robby shifts his thigh, presses against the obvious tent of Langdon’s scrub pants, and is rewarded with a full-body shudder. His hips twitch into it and Langdon whines.

“Robby- please-“

Robby has half a mind to take his time with him here. Strip him slowly, carefully, then lay him out on the bed. Take care of him with his mouth and his fingers first, draw pathetic, unsatisfying orgasms out of him one after another before finally giving in and spearing him open on his knot. Make sure he’s pliant and satisfied when Robby finally comes inside him. God, he wants it.

But that’s not what Langdon needs right now: what he needs is Robby’s knot as fast as he can get it. He can do that.

When Robby pulls away, Langdon whines and tries to press close again. Desperate. It takes a stupid amount of Robby’s resolve to take him by his shoulders and hold him still.

“Easy, baby. Easy,” the endearment slips from his lips before he can stop it. Thankfully, Langdon doesn’t seem to notice. “Let’s get these clothes off of you first, alright? Then I’ll take care of you. Just like I promised.”

Langdon swallows, Adam’s apple bobbing distractingly, and nods. There’s another burst of scent, anticipation and need and Robby doesn’t have to see it to know that Langdon is leaking slick between his legs. The thought has Robby’s cock twitching in his pants.

A part of him misses the sweatshirt the minute he pushes it from Langdon’s shoulders. The image of him in it, in something so clearly Robby’s satisfied a bit of that clambering, urgent need for possession he’s having a hard time controlling. But if it gets him one step closer to finally pushing inside of him, he’ll have to live.

Slipping his hands up under the hem of Langdon’s scrub shirt is delicious torture. He’s so warm, even through the layer of his thin Henley undershirt, that Robby’s hands burn with it. He raises his arms obediently, and Robby tosses it aside. The undershirt follows, and this time Robby gets to feel the distracting brush of Langdon’s chest hair under his hands as he works.

He can’t help but pause, then, to admire the Omega before him. Naked to the waist, Langdon’s flushed and covered in a light sheen of sweat. His chest heaves with every desperate breath. Robby has to kiss him again to keep himself from saying something stupid.

With Langdon distracted by his kiss, it’s easy to reach for the drawstring of his scrub bottoms. He undoes the knot there, then pushes the thin fabric down his body. Langdon makes an approving noise as the cool air of the room hits his legs and he shifts forward – attempting to press himself against Robby’s hip, surely.

Robby reaches between them to palm him through his underwear instead. Can’t resist it. He finds a wet patch where the head of Langdon’s cock is leaking precome, and it makes him groan.

“Shit, Frankie,” he swears when he has to pull away from his kiss. He presses his forehead to Langdon’s temple, breathing wetly against his cheek. It’s almost too much already.

“Robby,” Langdon whines, shifting forward to rut desperately against his hip.

Robby shifts his grip to the waistband of his underwear and around to the small of his back. When he dares to dip a finger beneath the elastic band, he only has to press lightly between his cheeks before he’s encountering slick. He’s that fucking wet already. Robby has to clench his eyes shut tightly as his knees threaten to buckle beneath him.

“Shh, I’ve got you. I’m gonna take care of you.”

Langdon’s underwear joins the pile of fabric at his feet, and he shivers once more. His cock is so blood-hot that when he ruts against Robby this time, he can feel the heat of him through the layers of fabric. Robby pulls him in for another messy kiss while his hand moves to touch him. With the flat of his palm, he holds Langdon’s cock captive against the rough material of his pants, encouraging him to fuck against him.

It’s not enough for either of them, though. Not nearly. And Langdon only tolerates it for a few seconds before he’s breaking the kiss to plead against Robby’s lips: “Come on. I need you.”

Robby nods. “On the bed. Face the headboard, all fours.”

While Langdon hurries to comply, Robby takes the opportunity to admire him. He’s gotten glimpses of his body before, sure, but nothing like this. Never before has he had the opportunity to admire the delicate width of his shoulders, the expanse of his back and the way the muscles shift beneath his pale skin as he gets into position. The way it contrasts with the dark hair covering his chest.

Lower down, Robby finds himself transfixed by his legs, toned thighs and calves that speak to the years of marathon running he does. Those he’s seen before, too – when Langdon comes in to work a little flushed and sweating in the tiniest shorts known to man. His morning jog. Then, he’ll slip into one of the staff showers and emerge with an envy-inducing pep to his step.

Then, finally, Robby’s gaze catches on his hole. Braced on his hands and knees, he’s got a perfect view of it. Robby knew that he had to be wet by now, but the sight of it is still enough to knock the breath out of him. Slick leaks from where he’s loose and open, drips down his perineum to his balls and eventually his cock where it hangs, red and flushed, between his legs. The wetness must be cold, exposed to the air like this, because Langdon shivers. Robby’s struck by such intense, gut-clenching desire he’s dizzy with it.

“Robby?” Langdon questions when Robby doesn’t move. He’s got his head turned to look at him over his shoulder. There’s a vulnerable note of uncertainty in his tone that sets Robby back into motion.

“Sorry,” Robby breathes. He reaches behind his head to grab the neckline of his scrub top and pull it off, then his undershirt. “Just got distracted. I’m here.”

Langdon doesn’t seem to hear him, his gaze locked somewhere near Robby’s chest. It sends a pleasant flush of heat all the way up to Robby’s cheeks as he toes out of his shoes and, finally, goes for the fly of his pants. They hit the ground with his underwear as Robby’s cock springs free, hitting his lower stomach with a light “smack.”

Robby’s never had a complaint from a partner before, but the way that Langdon’s eyes go wide and a thready, uncontrollable moan leaves him when his eyes catch on Robby’s dick is immensely satisfying.

“Oh, fuck,” he breathes, and Robby bites his lip against a bashful smile. It’s just the heat talking, he reminds himself.

Robby’s tempted to ask him one more time if he’s certain he wants this as he climbs onto the bed to kneel behind him. It’s no use, though – he knows he’s in no state to give him a real answer. And they’ve already crossed enough boundaries as it is. Still, it feels sinfully, wonderfully taboo when he finally gets his hands on his hips.

Face to face with his hole, Robby can feel even more blood rushing to his painfully erect cock. He needs to be inside of him, his every instinct screaming at him to hurry up, but he can’t resist this. He has to.

Gripping his hips, Robby bends down and licks a line from the base of Langdon’s balls up to his hole. He cries out beneath him, squirms, but Robby’s hold on his hips keep him still.

He’s gathering slick as he goes, a full mouthful of it by the time he reaches where Langdon wants him most. It’s good, so fucking good, and a growl rumbles up from his chest. With a warning squeeze to one hip, he removes his hand and brings it to his hole, too.

Two fingers sink inside of him with stunning ease. He’s so fucking loose, so wet, that he seems to suck Robby’s digits right in. He could cry. Langdon’s moaning wantonly beneath him, pressing urgently back into his touch, and Robby doesn’t even have the heart to try to stop him. Instead, he spreads his fingers to gape him wide enough that he can press his mouthful of slick and saliva back into him.

Langdon keens, but Robby doesn’t stop there. He pulls back enough to watch as he slowly, intently, fucks the mess back into Langdon’s hole as far as he can get it. Every warm inch of him has Robby’s arousal cranking ever higher. He doesn’t know how he’s going to survive being inside of him.

“Please-“ Langdon says, eventually. His voice is wrecked already, all breathy desperation that makes Robby a little crazy. “Please, Alpha, I need your knot. I- come on- please.

Robby has a stray thought that next time he’ll get to tease him a little more, get his mouth on him for real and take him apart, but he puts that to the side. There’s no next time – there’s just this. So, he’ll make it good for him. He as to.

“Of course,” he breathes, sways forward to press a kiss to his ass cheek before carefully withdrawing his fingers. Langdon moans at the loss, rocks his hips back in search of more, and Robby chuckles. “Easy. Easy, sweetheart.”

Robby’s has the bizarre sense that he’s dreaming as he rises to his knees behind him. Langdon spread out before him, all pale, flushed skin and the desperate, needy lines of muscle, his greedy hole. It doesn’t feel real.

When he drops a hand to his lower back, slips it up the length of his spine reassuringly, Langdon shudders. A renewed burst of slick spills from him, Robby’s saliva mixed with it, and Robby has to bring his other hand to his cock, squeeze around the base of himself, to keep this from being over far, far too soon.

“Tell me if it gets too much,” he warns lowly. When he doesn’t respond, Robby raises his voice. “Frankie.”

“I will,” Langdon manages, squirming anew. He’s stirring so much that Robby has to drop his hand to his hip again to keep him in place. “I promise.”

Somehow, Robby doesn’t entirely believe him, but at the moment he’s not really in a place to doubt his word. He’s just as desperate as the heat-stricken Omega beneath him. Robby sucks in a deep breath – their scents mingling, heady and overpowering – and nods.

“Alright.”

Using the grip on his base, Robby presses the head of his cock against the back of Langdon’s balls where the slick has pooled. Then, he runs it back up the length of his perineum and to his hole. Slick mixes with the precome he’s leaking profusely, so he’s sloppy and wet by the time he’s teasing at the rim of him.

The sensation of him, Robby’s cock where he needs it most, has Langdon moaning wantonly. Robby can see the strain in his shoulders, the way he’s holding himself back, and it makes him smile.

“Good boy,” he murmurs. “That’s it. Hold still and let me take care of you.”

A noise halfway between a moan and a sob rips itself from Langdon’s throat, and Robby can’t hold it anymore – he presses into him in one long, fluid movement. He doesn’t pause until his hips are flush with Langdon’s ass. The groan that sputters out of him is in time with the high, reedy moan that Langdon lets out.

“Oh, fuck,” Langdon manages. Robby desperately wishes he could see his face, but he’s got it ducked between his shoulders. All he can see is the taught line of his back, shoulder blades standing out in sharp relief as his fingers dig into the sheets beneath him.

He should have kept him on his back, let himself drink in his expressions and kiss the slack line of his lips and-

Robby stops that thought cold. No, this is better.

Robby allows him only a few seconds to adjust before he’s pulling back out. He’s still moving slowly, carefully, when he stops with just the head of his cock holding him open. That lasts only a second or two before he’s pushing back in. Again, the sensation draws noise from the both of them.

“Come on,” Langdon urges when Robby repeats the motion a handful of times. Slow, careful. Robby can tell it’s not enough for him but he wants to hear him ask. “I can handle it, come on.”

That’s better. Robby nods, bends at the waist to press a sucking kiss to the center of his spine, before he’s pulling out and pushing back in. Faster, this time. A little harder. It jolts Langdon’s knees an inch up the bed and he gasps.

“Shit- yeah-“

If this were any other time, if Langdon weren’t in heat beneath him, Robby would feel bad about how quickly this is going to go. But he is in heat, and every instinct in Robby is insisting he bury his knot inside him as soon as he can. It’s already swelling at his base, sensitive and tugging at Langdon’s rim with every thrust. Before long, he’s fucking into him in earnest – mindlessly chasing his pleasure as grunts and moans rip their way from his throat.

Langdon’s arms give out on him eventually. He collapses against the bed, lets Robby fuck him up further and further along the mattress with every thrust. From this angle, cheek against the sheets, Robby’s got an excellent view of his lips, parted as he moans and gasps for breath, and the way his eyes are squeezed shut against the onslaught of pleasure. It makes him fuck him harder, driving into him over and over again just to hear him. Langdon delivers.

“Alpha- Michael-“ he gasps wetly. The name startles a growl from Robby’s throat. “Knot me. Come on.”

Langdon has his head tipped as far as he can to see Robby’s face. It’s a mistake to meet his gaze, maybe, because the sight of those eyes, blue almost entirely disappearing behind the vastness of his pupils, wrenches the last bit of control from Robby’s perilous grasp. He grunts, desperate, and manages only a handful of half-hearted thrusts before he’s pushing forward hard.

His knot stretches Langdon’s hole wide, and he keens with it, scrabbling at the mattress like it’ll give him any purchase. Robby’s no help, too lost in the way he clenches around him to do anything but grip his hips bruisingly tight and come deep inside of him. Wave after wave of pleasure rolls through him as he fills his Omega up.

Every baser instinct demands that he bite down on Langdon’s neck, claim him as his own, but there’s just enough reasoning left inside of Robby’s come-drunk brain to know better. Instead, he contents himself with bending over him, blanketing his body with his own to bury his nose in the crook of his neck, breathe in his scent.

“Robby,” Langdon whines. “Please-“

It takes a moment before Robby can catch up, but when he does, he realizes that Langdon is shifting impatiently beneath him. His pinned hips are trying to thrust forward, find friction for his neglected cock, but Robby’s knot is holding him in place. Every movement tugs deliciously on where they’re connected but he ignores it in favor of pressing a kiss to his sweat-damp skin.

“Shh, sorry baby. I’ve got you. Don’t worry.”

When Robby reaches between them, he has only to wrap his hand around Langdon’s length before he’s coming with a desperate, wrecked cry. Thin Omega seed spills onto the sheets beneath them as he twitches and gasps in his arms. Robby fucks him through it for good measure – grinding against his hole, making sure Langdon can feel every bit of his knot as his inner walls milk another round of come from him.

Eventually, Langdon collapses against the bed. Exhausted. Robby works desperately to tamp down the errant, overpowering fondness he feels even as he presses a kiss to his temple.

“Good job, sweetheart,” he murmurs. “You took me so well.”

Langdon turns his head enough to pucker his lips at him, silently demanding a kiss. Robby is helpless to do anything but comply.

“Thank you,” Langdon murmurs against his lips.

Robby knows he shouldn’t be, but he’s grateful for the built-in excuse of the knot keeping them together. He can’t leave even if he wanted to, even if he knows he should. Instead, he slips an arm beneath Langdon’s chest, pulling him flush back against his own as he carefully maneuvers them down.

He whimpers, overstimulated when the knot tugs at him, but Robby happily soothes him with a kiss. Eventually, he gets them settled on their sides, Langdon’s head pillowed on his bicep and Robby wrapped snugly around his back. It’s bliss.

“Stay?” Langdon slurs unnecessarily, tipping his head back for one more awkward kiss.

Something tugs at Robby’s chest, and he nods. He’ll make his escape in the morning, maybe after another round or two to calm his heat, but he won’t make Langdon ask him to leave. Won’t make it weird. He’ll just take this for now. It’ll have to do.

“Of course, Frankie,” he presses a kiss to the corner of his mouth. “I’ll be here.”

Notes:

Thanks for reading!