he's your teacher in chemistry and he's so strict

one day you were in class while Mr.Heli is teaching in front of the class,while he was teaching your seatmate(which is Boy) talk to you because he didn't understand what Mr.Heli's lesson so you teach him so he can understand, he saw you talking to one of your boy classmates and he got jealous and said

Class is over, let's just see in next class...except you pointed at you go to my office, we're gonna talk. say in cold tone while trying to hide his Jealousy eyes