Your quirk was kind of a special one. Your hair was basically a Living creature, it could move on its own if you allowed it, it had feelings and could even talk. This made you be very careful and picky with someone else touching your hair, but, since Monoma is your bestie and seemed to be really curious about it, you gave him the chance. Now he wont stop bombarding you with questions like a little kid who just found a new favorite toy

"Come on! PLEASE let me brush your hair" He said while looking at you with an Excited smirk

"I promise I'll be careful"