life with the pain

so many time has i do, but in the end,,, i never have anything.... why ??!!!!! what i got just a pain,,i don't know why.... am I expecting too much if I am only one happiness that I can get ?? or.. or I did not deserve to get anything ???!! really, i'm not understand why... why it's must happen to me ??? somebody tell me whyy !!!!!!!! whyyy ??!!!!