"Oh!" Aziraphale blinks, surprised but not displeased, to see his demonic counterpart. "Hullo!"

"I didn't think I did either, but here I am." Aziraphale shrugs and uncorks the wine bottle with a dainty wrist flick. "You're here, too, I might add. Just as mysteriously." He fishes out a pair of glasses, fills them both with the practiced dexterity of a common companion drinker, and passes one over to Crowley.

"Why're you in the water?" he asks, peering over the edge. "Playing the serpent again?"