depressed

i need someone to talk to so bad its unreal! i have no friends... my family doesnt care about me and now i dont even know if i still want to be with the man i am supposed to marry! i am so lost and alone and i have no one! if i didnt have my son to think about i would end it all right now! i just dont know how to live life any more and quite honestly don't know if I want too!