I am suffering from continuous thinking of my gf after the breakup. Every minute I think about her if I try to stop thinking it doesn't work and my head start paining after sometime. I am not able to concentrate on a little things. Its also make me fears, I am totally confused, how I forget her completely. Its seems I will never success on this. What should I do, sometime my heartbeat increase automatically its make me fear more. I feel like I am worst. Some times I cry for her please help me.