Yep, Aziraphale has been around humans for six thousand years and he knows that smile. But Wei Wuxian is a nice boy, and he hopes that he'll make good decisions and do the right thing.

He heaves a breath. "Well, alright. But do be careful, please, I don't have my blessings." Otherwise he'd be showering a ton of them on the rest of the game, the poor dears.