OK so there's this girl lets say her name is rachel and she has 3 friends f1 ,f2 ,f3
So one day she loves me and sits next to me she puts my arm around her and says she likes me and has "deep feelings " for me and the day is going great so later I get out of class and go home 3 hours later she goes on fb and we chat until 930 and then the next day I don't exist to her she avoids me or her friends drag her away like this morning me and her were talking and friend 1 comes over and dragges her away and friend 1 boyfriend comes over to me and we both walk over there cause he was shy to go alone and then rachel and friend 1 walks away so we look at each other like what happened so he walkes up to them and they walk away I walk up to them and rachel looks at me like off look and then I walk away and its super annoying its like this all the time she knows I'm bipolar , emo , she asks me why I'm depressed I say its cause of my family because when I'm not around her I feel like ima puke my guts up and when I'm with her I'm the happiest dude ever and she seems happy with me to is she trying to do this to make me go crazy please help me

Were you and this girl dating or was she just flirting with you?
Maybe you have taken this too seriously. How old are you?
You need to find happiness apart from her. No one should have that much power over you.