This is also a kind of obsessive-compulsive disorder. Heart disease requires psychological medicine. It is caused by emotional injuries you have suffered in the past. You might as well rest for a while and not have anything to do with anyone. When you are sure that you need it, Get serious about starting a new relationship again. After all, the emotional pain you have suffered is in the past. It would be unfair to other girls to indulge in it blindly. People who have fallen in love may not necessarily end up together. Fate must be grasped by yourself. Since you have lost it, it means that this fate is not deep enough and does not belong to you. Your significant other may be waiting for you in the future.