We all hate her but she doest get it?

there is a girl in my form that nobody lyke because weneva she always trys 2 b m8s with 1 of a set of best m8s the best m8 end up hating each other we have told her and it also ended up as i mive school fight. hu noes how we can get the message out to her before she breaks anymore m8s up. i no we are cruel by telling her but we are trying to be honest