"No, it isn't that," Aziraphale muttered, flushing and not looking at him. "Or, well, I suppose it is, but it's the suddenness of it. You've never shown any interest in anyone for as long as I've known you, including Ellie up until that afternoon, and suddenly you were all but glued to her." As the lift arrived at the upper floor and the doors opened again, he added, "Also, I found traces of something on Cayce that rang of some sort of compulsion, and she said you all had run into Aphrodite on the way there. So forgive me, but yes, I am concerned..."