[ He opens his mouth to answer, thinks better of it and closes it again. ]

Huh. You come from a really interesting world, from the sound of it. What's... dual cultivation? Is that what you called it? Does it need to be with demons?

[ He's trying to imagine the expressions on some of his friends' faces back home if he told them this was a valid medical procedure. He didn't think that would go over very well. ]