What else am I supposed to say in a situation like this?

[A million other things, definitely. But he leans back a little, because yeah, this is embarrassing, in the way that most emotional openness can be.]

I just... it's not something I had thought about in great detail. Or had assumed you would be interested in offering.

[Granted, hearing "I slept with a man" from Leon hadn't been a thing William would have expected ever hearing either. ]