Prompt: Set around season 4 or 5, with Sam and Dean fighting, with Sam jealous about Cas even though there’s nothing to be jealous over, and maybe something with Ruby to make Dean jealous but not too far, and Dean reassuring him there’s no reason to be jealous because there is of course nothing between him and Cas, and Sam being possessive, and fighting his urge to jump into Dean’s arms and Dean trying to make him yield. And bottom!Sam. And knotting. And poppers. And a butt plug as punishment.
Author's Note: I've never written knotting before or A/O. I hope I got it ok for my first time.
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