"Well, angels aren't really from universes, I don't think. That's the whole point of warding against interdimensional beings, the wards have to be able to account for that. But if you say they can't get in, I'll just have to believe you." He's almost pouting by this point. His painting was going so well, it would be such a shame to have to undo it now. And angels hadn't really been what he'd been worried about in the first place. Perhaps they can work through her specific angel related problems and then move on from there to why general purpose warding is a good idea. Can't be any harder than teaching a tarantula to read, right? "Why don't we talk about this over sandwiches? I can clean it off before I go if you still feel that way. ...Is there somewhere I can wash my hands?"