"Uh." That actually wasn't Peter's confusion at all. He looked towards Mitch, then back to Mindy, then asked quietly, "...wait, you've... paddled him?" Everything so far had seemed very... one sided? Master did stuff to Sub. Unless it was a sex thing? The sheer idea of trying to paddle Simon, or Simon wanting that, was so foreign and seemed so not-Simon that his mind couldn't even conjure the image. ...Did offer him a brief memory of Simon's backside from earlier, though.

"Caleb was nice enough to explain the whole... not always sex thing? So I'm starting to get it-" he frowned, realizing that one part did confuse him, "but not entirely? You, uh," and there was the blush again, "certainly seemed to be enjoying yourself? So how is that... not sex? Just because it isn't," breath, talk like an adult Peter, "something in something else type of sex doesn't mean it isn't sex...?" If someone was getting someone else aroused and knowing that it was going to do that, wasn't it a sex thing?