"That is part of the point, angel," said Crowley with a hungry look. "But I'd be more than happy to take this elsewhere. You know, we've never been on the Manor roof..."

He was well aware of how quickly anger, jealousy, and possessiveness could turn to desire when the object of said desire returns the interest. Or in other words, with Aziraphale paying attention to him instead of to Hermes, he felt no need for jealousy any longer, but he still had some angry energy built up that he very much wanted to take out with agressive sex.