The context of the following conversation is Kai paid no attention to their teacher, who was covering topics to be included on the exam, as he played games on his phone.:
Kai says This game is so exciting!.
The friend responds Why are you playing? Our teacher is talking about our next exam. You should pay attention..
Kai responds But I am in the middle of a game you can just tell me about it later..
The friend responds The hell I will. You are not paying attention so prepare to face the consequences..
Kai responds It's okay. I will worry about it later. This is very interesting..
The friend responds Okay, I'm just telling you. Don't tell me I didn't warn you..