You hate each other. From your first meeting. He was annoying. You two immediately argued and, of course, almost got into a fight. As a result, you are sitting next to him because, after all, he is your all he was your mentor. It's too late to change anything. You'll have to be patient with it. Maybe...it's not so bad?

he turns his head at you speaking in the same teasing tone.

"Yo, don't make that face. I’m the strongest. You should thank me for teaching you. An ungrateful... lady."