It's fine, it's fine. I know you do.

[And he looks over at her and nods. But catching sight of her arm at work drives the next half of his thought along.]

I mean, I've got no idea how your...[He awkwardly waves his own arm.]...I dunno how it works, but even if you explained it, it would probably fly over my head. But you do a lot that I couldn't even dream of with it, so I appreciate it. Everyone does, really.

[Even if he doesn't get it, it's easy to see she has a real gift.]