[Yes. Brave is a way to put it. But, you know, if she is enjoying herself then that is what counts? Well, he assumes that she is enjoying herself. The look on her face is hard to determine at this point.
He does not wince as knives slam home, but you can see that unlike her he has no wish to be on the other end of those knives.
You poor girl. Why are you letting this boy do this? If it helps, he knows how to cauterize wounds? He's done it to himself. After the first few seconds the pain goes away since your nerves get melted.]