ok so this guy at my school played football with me and i thought we were pretty cool but then when me and my gf were going out hes been telling her how much he likes her and how beautiful she is like all the time. i cant txt anymore and he txts with her all the time and sometimes she hangs out with him and they hug but i dont know if i should talk to him or her or be jelous or mad or what. any advise????