[He finally feels as if he has the truth, and he nods. He understands that, maybe better than he could be expected to considering that nobody has ever looked down on him for his body.]

I'm not teaching you to use a gun.

[Blunt.]

Not until you can control your temper. Defend yourself, sure, but I'm not putting a firearm in the hands of someone that'll shoot the first person that insults his disabilities.