Ivan gives him an encouraging grin at his expression and does not think about the idea of seeing David less. This is him, not thinking about it. Look at him go.

"That's what you came here for, isn't it? For a man who's never done anything with another man before, you're doing great." See? Just gentle encouragement. Ivan slides one of his hands into David's hair, threading through it absently. "You're willing to try, which puts you ahead of some of the clients I've had."