Men once 40 minutes, usually refers to a sex time of 40 minutes, this situation is a normal phenomenon, because as long as the sex life more than 2-6 minutes are normal, as long as the couple is satisfied and harmonious, men do not have to be too much time. In addition, if the sex life is too long, it may also lead to some adverse conditions, such as fatigue, disease, etc. If the time of sex is too long, the body blood flow speed up, sweating increases, the body energy consumption increases, easy to cause physical fatigue, fatigue, and even fatigue symptoms, is not conducive to the next day’s life, work. At the same time, too much time spent on sex can lead to prolonged genital congestion, which can easily cause damage to the prostate gland, which in turn can lead to diseases such as prostatitis in men. In addition, because of the short distance between the female urinary tract and the vagina, too long sex can increase the possibility of bacterial invasion of the urethra, which in turn is likely to cause female urinary tract infections and other adverse conditions. Before and after sex, the couple should do a good job of cleaning their private parts, such as carefully washing the vulva with flowing water to avoid infection, no reproductive needs can wear condoms correctly, in order to achieve contraception at the same time, but also can effectively block germs. In addition, after sex, should be fully rested, light diet, avoid excessive exercise, work, so as not to aggravate fatigue, so that the body discomfort.