[This is where Aziraphale doesn't bother to hide his smile at poor Dog's plight. Sorry, Dog. But it's very fashionable. He looks back up to Adam at the question, considering.]

Theoretically, I suppose. Never tried it though. I'm fairly partial to this form. It's comfortable.

[He looks down at himself, tugging his waistcoat back into place even if it wasn't really out of place to begin with.] I think that sort of thing may come more naturally to demons. Or maybe just to Crowley.