"Look," Crowley says in hushed tones, as if he's in a spy movie, "I just--" He waves a hand, in a gesture that possibly means I just got into a relationship if you squint at it. "Aziraphale. It's only been a few days. But-- you know¹." He makes another gesture that could technically mean I messed up everything leading up to it so badly that I don't want to mess this up. Sure, let's go with that. "I guess what I'm saying² is... the basics."

¹Does he?
²Which isn't much.