I Dont Know

i dont know if i should feel like im the bad guy only cause i feel like i hurt someone all because of my stupid past came in  i mean i wish i just can get rid of the past and not look back into but how is it that it comes to haunt me i cant even look at myself right now i mean im blessed of what i have in my life meaning i have a best friend who i know will always understand and be there for me and all in my life but i just feel like i fucked up and i dont how to think even right now like it really dose get to me so much maybie i do get somethings under my skin to easy but i dont know how to admit to myself