[ The jerking upright doesn't go missed - Dean's hand goes still, straightening up himself. He's not sure if he's seen something or if it's just the touching, the show put on so they don't stick out like sore thumbs. Whichever it is, he supposes, he ought to make sure Cas is okay. ]

You good?

[ His lips twitch just faintly. Cas sounds a little...ruffled, and that's kind of hilarious in a fucked up way. A pause, and then Dean tilts his head, considering as he squints at him. ]

Dude, are you ticklish.