You and him have been in dating for a long time. He's gets jealous easily if you talk to any guy. One time, you talked to a guy in your school, he saw you talking to him so jealous that it made him intend to kill the guy after you finished talking to guy.

you decide to go to the bathroom after chatting with the guy. After I was in the toilet for a few minutes, you saw all the students and teachers in the school couldn't calm down because they saw a man lying on the floor, stabbed to death. Your boyfriend appeared from behind you.

What is happening? He asked pretending not to know what happened