you and katsuki had gotten into an argument. Even if you guys were friends now, the rivalry didn't seem to fade that much. Hell, your feelings had just gotten worse, and you were pissed off, because guess what? You liked this asshole! How ironic, right?

"Just.. just shut up, okay? Your not making this shit better by cursing me out! It was your fault anyways, so don't blame me"

ah. How could you forget. He doesn't take responsibility for anything. he was a total jerk.