confused

what am i suppose to feel now? emotions dont seem to something that stays constant after what happened. sometimes i am just sad and full of regret, other times i just feel super pissed off or remorseful. i need help, or someone new, before i go fucking crazy with all these thoughts. i hate it when people say that they are happy for you. cause half the time when people say that to me, im not even happy for myself. so why the hell would they be happy for me when i dont even know how to feel for myself