When I masturbate continuously three to four days as once in a day I felt nervousness to two to three days after that. But six days ago I masturbate three times a day. By this I feel that I am in depression since last six days. I feel that I am in huge tension and my head is over burden. Sometimes I feel that I want to escape from my current position since six days. And I am in huge stress in my mind. I feel nervousness in closed room i.e, bathroom and in crowd. I want to quit masturbation but I can't. What is this and how to cure it?