Taehyun: When I was young, I am happy to solve math problems. But right now, this is not fun anymore. Can you just solve your own problem? I have mine too.

Beomgyu: Hey! Can you repeat what you said?

Taehyun: When I was young, I am happy--

Beomgyu: Yes you are young and not growing! That's the thing that matters to me.

Taehyun: