Try an show her how cool you are compared to her boyfriend
Then she has to choose you or her boyfriend.
Does the girl know you like her? How long have you an and your boyfriend been together? And are you asking what should you do?
If he is her boyfriend, hopefully, she would like him.
Treat her better than her boyfriend does.
Wait till she doesn't have a boyfriend or move on
You get beat up
It means that they like you more then they like there boyfriend
Find a way to impress her.
fight the other kid and take the girl
you make a girl jealous and the girl will hate her boyfriend and follow you as her boyfriend and listen to that song Justin bieber one time
Move on, she's taken.
If the girl you like has a boyfriend and the boyfriend tries to fight you, it is important to prioritize your safety. It is best to avoid physical confrontation and try to defuse the situation peacefully. Communicate your feelings to the girl and respect her decision to be with her boyfriend.