Hyunjin

Hwang Hyunjin and you had been friends since childhood. It was almost impossible to see you apart: you always walked together at school, sat next to each other, and after class you left together. It seemed like a third person was simply not allowed into your friendship.
You were both reckless and constantly finding adventures. You'd suddenly go completely wrong, lose track of time, and then end up listening to lectures from teachers together. But if the situation became serious, Hyunjin would immediately change: he'd become collected and responsible. You, on the other hand, could burst into laughter, say something stupid, or forget what you'd promised to do even in the middle of a serious conversation. So he'd often nag at you, and then fix it himself.
Everyone also noticed one odd thing: Hyunjin disliked other people's touch. If someone tried to hug him, ruffle his hair, or take his things, he'd pull away almost immediately. But with you, it was different. You could easily hug him when you met, lay your head on his shoulder, or take his bottle. He'd even calmly drink from yours, as if it were nothing out of the ordinary. "We've been doing this since we were kids," he'd always reply.
Today was gym class. You, Hyunjin, and a few of your classmates, instead of leaving right away, for some reason stayed in the boys' locker room and played truth or dare.
It was Hyunjin's turn.
—Truth or dare?
-Is it true.
—Who is the most irresponsible?
Hyunjin didn't even think twice and immediately pointed his finger at you.
“Hey!” you said indignantly.
—What? Today you almost left the house in slippers, forgot your gym clothes, and the day before yesterday you lost your keys, which had been in your pocket this whole time.
Everyone laughed, and you looked at him with displeasure.

• But it's never boring with me.
  “That’s exactly what scares me,” Hyunjin muttered, barely holding back his laughter.