Chapter Text
“Stay in the damn car, Sam!”
Dean slammed the Impala's door, striding around the hood to make his way to the diner.
“Dean...This is getting ridiculous,” Sam complained rolling down the passenger window, glancing up, eyes meeting his brother's.
“I said to stay in the car, dude. Just..do it, okay?”
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Sam sighed, his eyes were the first to break the connection to Dean, his gaze dropping to his lap, the hand he'd rested on the door handle falling away.
Dean was getting more and more possessive, surlily resentful of anyone who even glanced in Sam's direction.
Each passing day increased his big brother's need to keep Sam for himself like he was some stolen art treasure, to be locked up in an obsessed collector's safe, to be appreciated and enjoyed by his eyes only.
Sam knew he should be concerned. The way Dean treated him wasn't normal, but then when had anything been normal between him and his brother?
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Maybe once, before mothers burned on the ceiling, or fathers and brothers sold their souls, or before he'd gorged himself on demon blood and let Lucifer out of his cage. Yeah, maybe before all that shit, their lives might have been normal but now.....
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Up until that first time, they'd dealt. After, nothing had been the same again.
He should have seen it coming, they both should, growing up as they had, living in each other's pockets, never being able to let go, too close for their own good, too wrapped up in each other for their relationship to be anywhere near healthy.
The inevitable conclusion had presented itself one night when both had been drunk, a rare happening, not the fact of them being wasted, that wasn't strange; it was just that usually one of them remained less inebriated. The Impala didn't need to end up wrecked against some tree.
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That night, however, the bar had been in walking distance, two minutes down the street, and neither had held back, drowning in alcohol their memories of the past.
They'd pushed through the motel door together, heads spinning, wanting nothing more than to crash on the beds when Dean's mouth had accidentally brushed against Sam's chin in his uncoordinated movement to enter the room. It was a revelation.
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Sam had felt Dean's hand on his body more times than he could remember, soothing, stitching, applying cool cloths to a fevered forehead but Dean's lips on his skin, he'd never experienced, not since he was a child.
He'd never know if it was the liquor, or if it had been a tsunami already in the making but he'd taken Dean's face between his hands and captured his lips with his own, his fuzzy brain expecting a punch from his big brother for his daring.
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After the initial tensing of Dean's entire body, hesitation palpable, his lips unexpectedly yielded to Sam's and it all exploded, like a damp firework that had smoldered for years until a gust of wind had fanned the fire enough to make it roar into life and flash into the night sky.
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There had been nothing tender or sweet about that first time, just two men who were everything the other had ever wanted or desired, the touch of a hand or a mouth fulfilling the need to be ever closer, to get under the skin of their beloved, to possess them completely, to own them.
And so it had been, joined in body and soul.
Sam huffed, they had already known about being soulmates though neither had ever spoken about what Ash had so casually revealed during their trip to heaven, now their bodies had caught up.
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Sam had never been the Casanova Dean was but he'd had his share of women.
He'd loved and been loved back, especially by Jess.
Her memory still hurt when he recalled the carefree hopeful love they'd shared, but sex with Dean was unique. It burned through his soul into the deepest recesses of his essence.
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He knew it was the same for his brother, but while Sam was content to revel in the warmth of his brother's body next to his every night, Dean wanted more, wanted Sam to belong to him, for his eyes only.
At first, Sam hadn't noticed when Dean had gradually started to act more possessively, never paying particular attention to the fact that Dean would offer to go himself to get supplies, or that they were eating less and less in diners, with Dean bringing food back to the motel while contemporaneously keeping Sam busy with research.
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When Sam had shrugged into his jacket one day to go for breakfast, Dean had blocked the door, leaving Sam to frown confused.
“Dean..?”
“It's okay, Sam. I'll go. Give me a minute to dress,” Dean had growled almost menacingly.
“What the hell, dude! Chill! I'll go for food. The last time I looked I can still order coffee and doughnuts.”
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Dean had pulled him into his arms, his lips nuzzling Sam's neck, sending chills down his spine.
”I know you can. But I don't want you to.”
That was when Sam got it, pieced the puzzle together.
He drew back looking into Dean's eyes. “Are you jealous or what, man?” he asked unbelievingly.
Dean stared back, his eyes unblinking. “I just don't want to share you with anyone.”
“But...” Sam began.
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Dean's gaze became so intense that Sam made to turn away but Dean's arms were like iron bands around him.
”I don't want anyone looking at you, enjoying you, lusting after you. You're so pretty, Sammy. But only I get to appreciate it.”
A startled huff came to Sam's lips. “Dude, that's so…..wrong. What do you want me to do? Cover myself from head to toe when we go out!”
Dean stared at him as if he was actually considering it.
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“Dean. I repeat. What the hell! “
A feral grin came to Dean's lips. “You're mine, Sammy. The sooner you accept that, the better. Now, instead of going out into the cold, get your ass naked under the covers and wait for me.“
While he spoke, a hand insinuated its way under Sam's shirt searing the bare skin, his brother's touch arousing him even as he balked at Dean's ludicrous possessiveness..
The caressing hand descended towards Sam's cock, roughly undoing his jeans, cupping the sensitive organ which was hardening under the teasing exploration of his brother's fingers.
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“Dean..” Sam swallowed.
His brother's touch had the power to tame him, to make him compliant.
“It's just that I love you so much, Sammy. I don't want to share anything of you with others. You understand, don't you?” Dean whispered, but Sam was too distracted by the magic Dean's fingers were weaving around his cock and balls to do more than huskily whisper a “Yeah.”
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“That's my boy, “ Dean said, his lips coming down hard on Sam's, bruising his brother's half-opened mouth with their urgency.
“Get ready for me, Sammy. When I come back, I'm going to fuck you like you've never been fucked before.”
And when Dean had come back to find him naked and needy on the bed, he had!
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Sam sighed again. Since then things had gotten progressively worse. Dean's eagle eye was never off him, scowling at anyone who looked Sam's way on the few occasions Dean allowed him to get out of the Impala in public.
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Sam knew he didn't have to pander to Dean's wishes. He could rebel and walk away, but he couldn't deny the excitement that rushed through him at the thought of being the focus of Dean's utter concentration, his brother no longer giving more than the slightest of glances to any hot chick that crossed their path, his attention only and ever for Sam.
He could feel his cock hardening at the thought. It was worth losing a little of his freedom if it made his big brother happy.
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Dean slipped into the Impala, depositing the bags of food on the back seat. He looked at Sam, his all-encompassing gaze not missing the bulge in his little brother's jeans that not even his covering hands could hide.
” You miss me, baby? “ he grinned.
He pushed Sam's hands aside and rubbed at the hardness tenting the worn cotton.
Sam's cheeks took on a pink sheen, cursing at how easily he flushed.
Dean's arm snaked behind him pulling him over, his mouth coming down hard on Sam's, sending a thrill through them both. Dean pulled down the zip, pushed Sam's boxers aside, and palmed his cock.
Sam's legs opened as much as they could in the restricted space of the car, giving his big brother as much access as possible.
“You horny little Samantha, “ Dean teased in a satisfied voice between kisses. “You've got the hots for big brother, haven't you?”
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Sam huffed into Dean's mouth but his attention was concentrated on his cock where Dean's fingers were doing marvelous things, touching, teasing, and fisting until Sam exploded in a harsh cry. Dean's hand slathered the length of Sam's cock with his come, accompanying him through the orgasm.
He stared down appreciatively at his brother.
Sam in a state of abandon was one of the most erotic sights Dean had ever seen. Writhing pole strippers had nothing on his sexy little brother.
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“Happy now, Princess?“ Dean smirked, wiping his hands on a piece of the kitchen roll they'd invested in for these impromptu moments in the Impala.
“Think we can have breakfast without benefits now?”
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He ripped off another couple of sheets of paper and cleaned up his brother as best he could, tucking the now soft cock back into Sam's boxers and zipping him up.
“Yeah,” Sam said, accepting the cup of coffee Dean handed him.
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Whatever the cost, Sam knew he'd never be able to give Dean up. If his big brother wanted the exclusive, he'd get it, though Sam fervently hoped his possessiveness would go no further!
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TBC