Sex for more than 3 minutes is normal. The duration of sexual life is related to the individual’s physical fitness, and there are differences in the time and frequency of each person’s sexual life. The frequency and duration of sexual life will decrease and shorten with the increase of age. With the continuous growth of age, the resistance of the body will gradually decline, and the demand for sexual life will also decline. If the time of sex life is too long, it will consume a lot of physical strength. Deliberately prolonging the time of sex life will affect the state of the body, and the mental condition will also be affected, which will in turn affect the work and study and so on. Maintain a pleasant mood before and after sex is very important, before sex, you can listen to more soothing music, foreplay time can be longer, appropriate massage, caressing can be fully aroused female sexual needs in order to increase the body’s needs. To develop good habits, pay attention to pubic hygiene and cleanliness, before and after sex to wash, avoid unclean sex, menstruation to avoid sex, to avoid causing gynecological diseases.