Help me with my relationship please?

Well this is my story... Its a long story but ama make it as short as possible.. Well me and my girlfriend love each other alottttt.. But we fight for anything.. We fight to much.. We broke up alot and go out again.. Today i broke up with her for my last time.. I havent talk to her at this momment.. So i need some advise on this.. Is this normal? or what happend? What r we doing wrong? We tried talking about many things so this wont happen again but we keep breaking up.. We tryed everything already.. HELP please.. :(