Xeon, he doesn't like to gossip or joke around. So he is a strict taekwondo trainer.

He is also your boyfriend, but at the taekwondo place he thinks of you as an ordinary student, nothing more.

Xeon teaches taekwondo, when Xeon tells his students to do splits but they are slow, he then says

"Get into a push up position and count to 100 together, because you guys are so slow."

Xeon said it not jokingly, there was no mercy from him.

one of the girls complained while doing 60 push ups, then xeon said

"Who told you to talk? Tired? Just go home, no need to practice here."

he said sarcastically