[After their rough start, Aziraphale was expecting a lot more difficulty to get Karkat to cooperate, but it turns out he doesn't have to do anything. He bustles inside with a grateful smile.]

Yes, I think so. I'm quite interested to hear about you. I'm not altogether sure what you are, for one thing. [Though he sounds rather cheery and not dismayed by that.]

If hearing about me would set your mind at ease, though, you're welcome to ask anything you'd like. I've already revealed my secret.