He flinches like he's been struck, but doesn't argue it. Maybe that Dean's just shitty at being Dean. Ain't that the whole problem.

It's not like any of them got it real right, him least of all. For all that the Dean he'd stolen Sam from was a piece of shit, at least he hadn't failed this hard.

"There, yeah, exactly." Don't fucking patronize the kid, Dean, Jesus. He pulls the knife out and slides it against his forearm, doing the rest of the tests just so he knows he's human, through and through.

"Good?"