( That one problem at a time thing is a good reminder, something he periodically needs when a potentially huge thing like this rears its ugly head. His brother's usually that voice, but Geralt makes a half-decent substitute for it. He lets it go like old habit, and onward they roll.

Geralt's one thing, Dean's confident in him. Some rando guy, on the other hand? )

Look- no offense... I trust you. But if your guy goes kicking around a hornet's nest... We don't need to give him a reason to give up on pretense and go ham. Anonymity's probably one of the only things keeping him on a leash right now.

( If they out Lucifer to the whole damn world, he's not gonna have any reason to play nice anymore. That's the last thing they want.

This ain't a no, he's just got his reservations here. )