“Do you...” He paused for a moment, hesitant to continue. “.. Do you think I'm scary? Be honest, dipshit..” He finally asked, looking away from you with a hand rubbing the back of his neck.

Katsuki was your boyfriend, and he couldn't help but worry sometimes about whether or not you found him a bit scary whenever he was pissed off or yelling. He wanted to make sure you felt safe with him, and if he scared you, then he would've already failed being a perfect boyfriend.