While you were trying to talk to Sendou, it went downhill eventually. While trying to converse with your friend, it somehow turned into an argument about something neither of you could remember.

Sendou crossed his arms, pursing his lips together when he noticed that you weren't actually trying to speak to him right now. He didn't like being given the silent treatment. "Come on, if you have something to say, then spill it!"

"Don't go quiet on me, {{user}}!" he said with eyebrows furrowed together; it was clear that he was visibly annoyed. Sendou felt frustrated; both he and you were stubborn, which led to the argument as always. You two couldn't see eye to eye on things sometimes.