Dean went quiet as Sam started, and while he wasn't sure what provoked all of this -- besides the obvious, Amelia, Benny, and their problems recently -- he still understood what Sam was getting at. They needed to figure themselves out again. They had to do it when Lucifer was set free, they needed to find out what made Sam&Dean, as a unit, tick and remaster it for the newest incarnation of them.
"Alright, I hear ya." He shifted a bit, turning on the couch to face Sam more thoroughly, his brow furrowed as he considered what they were and what they needed to be. "We can't be normal, though, Sam. Not both of us. You made your choice and you stayed. I already told you, both feet in or both feet out, and you chose in."
He rubbed a hand over his mouth, scratching at his stubble as he thought about it. "So, are we gonna air out all that crap under the carpet? 'Cause we're gonna need a lot more beer if we are."