Balthazar gives Aziraphale a long, bemused look as he chatters, then grins. "You've had a few, haven't you, love? No, no, I approve. Nothing wrong with loosening up."

He's been aware Aziraphale partakes of various treats, liquor included. It's just fun to see him buzzed.

The question of truth or dare, though...that's actually tricky. He's a little afraid if he takes dare he'll end up with a very celestial kind of challenge, like counting all the stars in the milky way or something. "Truth!" he chooses after consideration.