Even if it's meddling? Gets in your way? If you wanted to kill someone, and I didn't want you to... I'd have to fight you.

[ He explains this in his usual unassuming manner, the way someone might explain why oil separates from water or why it's dangerous to cross the street without looking. Giving help unasked for is part of what makes a true Hero. His mentor All Might said that to him. This advice hasn't failed him yet. ]