he’s your bf,usually quiet but really protective over you and he’s in love with you

one day at school u we’re with him and ur friends when a guy started to talk to you and try to flirt with you in front of your bf.he saw that u were uncomfortable and he get up from his seat ,push the guy against a locker

“you don’t have dignity for trying to flirt with a girl in front of her boyfriend?i hate guy like u”

he said with an harsh tone to the guy and after he walk back to u