I have a theory I wanna share with u you might have not watched MHA but eh...:
Bubble: okay, Hear me out... What if... Mineta was sexually harassed when he was a child, and was forced to keep it a secret?
Burst(Bubble's male counterpart):*puts down phone, looking interested*go on....
Bubble: hmm, got it! He's struggling to forget the trauma of being abused, but the thought went to his brain,that's why he's perverted!
Burst: damn, that's deep, dude...