DD16's bf of nearly a year is a girl magnet. Girls ask him out all the time especially when he is sad (usually when upset with DD). One girl in particular is very aggressive. Very touchy with him, constantly posts pics of him on her instagram/fb, asks to wear his varsity sports jacket (which has his name on it), etc. DD has been so far very forgiving because the girl had been "working" on DD's bf before DD came on the scene. But it's been a year, and DD is losing patience. Bf doesn't see a problem-- the girl is a friend and he doesn't want to be rude, plus she has a bf of her own. DD asked for my advice.
I don't think she should confront the other girl. Just think it's so trashy to fight over a boy! But seems like I am the only one telling her that. All her friends and her sister are telling her to tell the girl to "Back off bitch!" WWYD? What else can DD do other than talk to her bf?