It will take time. Time will bring healing. Don’t sit around hoping that he’ll come back and everything will work out. Recognize that some dating relationships will end in breaking up. And normally one takes the initiative to break up and the other suffers. It’s a part of a human relationship. So I’m very empathetic with your pain and I’m telling you it will not go away over night. But with the passing of time and your devoting yourself to doing something worthwhile with your life, you’ll come through it on the other side and you’ll look back on it as a memory.