[ Yes, and he can take that sincerely- well, no. It'd be hard to understand, but he wouldn't argue against it. It's kind of what makes Goten's disappointments hit harder than they should. ]

Ah, so you're teaching her these kinds of things too. I thought she was the one teaching you and Izumo everything with this shinki stuff.

[ Though the real question that Shizuo keeps to himself is...

Why did you learn a spell to keep you and someone else hidden?

The reason why he doesn't ask is because it was completely possible that these were just the spells available to learn, and the kid just wanted to be the best at as much as possible. Especially with how concerned he was and related it to keeping someone else around. ]