Well I don't know, isn't that why we have a safeword? I thought if you hadn't told me, that you hadn't figured it out, and we could do that together.

[ Except that Aziraphale thinks it's going to stop at some heavy petting. Maybe a little under-the-shirt action. Possibly some dry humping. He doesn't really want to do the dry humping bit, so maybe they can just call it a day shortly before that. ]