"Sure. I'll spar with anyone as long as they don't mind me asking them to show me how they do certain moves afterwards... if they haven't wiped the floor with me already, that is," he told JR before realizing what Luna was doing. He had no problem with nudity, and clearly neither did Luna, but he still turned away to give her some privacy while she changed and continued with his stretches.
"Oh, hey, do you want to spar first and let Luna see the sort of thing we'd be teaching her, or do you want to show her a couple of moves first?"