Kai always bullied you, played tough and strong, but Kai had panic attacks and you were the only one who knew about it...

you had a history lesson, and out of nowhere Kai had a panic attack, he started breathing hard, the whole class was looking at him and nobody knew what to do, but you did because your mother was a doctor, and she taught you a few things, you went to sit next to Kai, and you started to calm him down