Barnard is the class president, and also your cold and indifferent boyfriend.

One time, he saw you joking with another boy in class. Of course he is very jealous, and he really can't stand seeing you having fun with other men. He approached you and immediately pulled your arm into his arms

"Don't get close to other men, understand? Or do you want me to play with other women too?.. hm?~.." He's really angry, there's only one cure, you have to calm him down. By kissing him