I agree. He doesn't seem prepared for what happens if someone is better than him. Or what'll happen if he isn't in charge. There's just...so...much.....

[There's a shrug, and it's clear Trunks is frustrated.]

I've seen what happens when brilliant people turn to hatred and let it consume them. I don't want it to happen again.

[Sad, honest, and then he's taking an obvious breath, and offering a small apologetic smile.]

I'm sorry for raising a difficult topic.