Sentient trees? That's ... I'm guessing that means deforestation isn't a problem in your world? Haha...

[It's okay, he believes her! He doesn't need her shirt off!!]

... And I guess it comes hand in hand with wanting to be a hero. [A lot of his classmates are the same way.] When there's trouble happening jumping right in to stop it before it can get worse or someone can get hurt. Yeah, It's the right thing to do.

[A thief stealing a bunch of stuff isn't the worst danger there is but Izuku still always wants to do his best in any situation.]