[Up until this point, he'd mostly just been looking at the papers, but he leaves those for now to look right at you.]

Wanting to know how far you can go isn't a bad thing in itself. But not tempering that will get you into trouble. Forbidden techniques are forbidden because the cost of failure and the possibility of abuse is very high. Unless put in a place with no other choice, it's best to stay away from them.

I hope you have learnt that much at least.