[For a second, Dean's eyes rolled back in his head, because holy fuck Sam was pinning him down and where they hell did that side of his brother come from? He was so going to assert his control again... later.]

[Much later.]

[Telling Sam what he wanted, though? They'd pretty much already exhausted everything he'd had experience with. Everything else, while really intriguing, was diving into the deep end for the both of them.] You could... do you wanna do it, Sam? You want to fuck me?