[He presses a gentle kiss to the top of Alfred's head and pulls him closer, reassuring him as best he can. Now that Rev's not likely to burst into flames on contact he's going to lavish his friend with affection until he feels even a little better.]

Good. He's very good at looking after people.

[And then, more softly:]

If it'd make you feel safer, you're welcome to come stay at mine. there's four locked doors before you even get near my apartment, and my bathtub's much larger if you're worried about being too near flammable things.