Yeah, he doesn't. But David sighs, rubbing his temples again. How did he explain it especially after what he'd said before?

Well, in the simple way.

"Do you happen to know another person more suited to teaching someone how to do what I can do now?" David asked as the kitten started to paw at laces. "Because I don't. When it comes down to things like this I never had a teacher, and there's no one better."