MAIN MAN

There is this boy that stood in my 15 and i have a crush on him and i asked my cuz if she liked him and she said no . But then y is she with him bc its always me him and her but to day she has been with him and we are suppost to go to the movies us 3 and i called her to see if she is still goin but she is not answerin her phone and she might be with him already at the movies and did not invite me and i thought she did not like him y is she liein about this what am i goin to do is they become boyfriend and girlfriend ?????? what should i do she is blood and he is not????????