I feel all alone and unloved and unwanted and invalidated?

I don't know, man, I just feel all alone in the world. No friends. No family. I'm living in a foster home at the moment and no one cares about me. My best friend won't talk to me anymore sicne she said I was too moody. My boyfriend dumped me because he said I wasn't as exciting as the other girls he has slept with or his x-box. I can't eat either. I try but then I just throw the stuff up. I also cut myself and I have tried to kill myself a few times wityh a knife, gunshot and pills. my parents were killed when i was 3, now I'm 11, and I don't know nothing is going well, and I'm alone and... it sucks I need someone to talk to, someone whoi cares. do any of you want to chat or be my friend? because that's what i need right now. i just want to talk to someone about my problems and fears and maybe come to love something about myself. i'm sorry for this rant and for it being so long