Hello Doctor, I m 23 years old .I am in a relationship with my bf for past 3 yrs. Nowadays I am doubting my bf for most cases even though he is genuine in his character .I often get doubt whether he is speaking with some other girls instead of me. I don't know whether it's natural for all girls. I even think a lot about him .moreover I am so confused. please advise me doctor. I don't know why I am over thinking about everything .I am imagination everything like it would have happened. More certainly I am into his shoes. Please advise me doctor. How to overcome this situation. He is my life. we truly love each other. I don't know why I am doubting even though he is perfect. In his past life he loved a girl due to some misunderstanding they were mutually breakup. After 1 year I came into his life. I don't know that he had first love before. Once I came to know about his past relationship by his friends. I was quite sad. lateran he starts to roam with her EX-GF even after breakup. But he said he had changed everything for me but still I feared of losing him in my life. Please guide me how to overcome.