[a wry smile twitches on his lips at her explanation; it could use some work. but it doesn't sound like she's a seraph and she knows she's not a human, so he can at least cross those off of his list.]

You might want to work on your self-introductions a bit. That doesn't really clarify anything. But—it's nice to meet you anyways. Is there anything that you can tell me about yourself that isn't hard to explain?