Just wana be happy

I dunno why I'm overwhelmed by sadness. I hate this kind of feeling. I dun wana be sad. I dun wana be unhappy w someone over what they've done or what they should have done.. Only I can make changes to stop myself from being so u happy. I'm sad too cos I do not know what I should do. A ment I thought I hv decided on what to do, the nex moment i feel it's not right again..  It's torturing me. My soul is badly battered..  I really dunno what I can do to stop all these.. I just wana be happy. It's so hard..