There is no mechanical rule on how often a man’s normal physiological needs are, and it needs to be analyzed according to each person’s age, physical condition and other factors. Under normal circumstances, for healthy young people around 20-30 years old, if the physical condition is good, it is generally recommended to have sex 3-4 times a week, and if necessary, the number of times can be increased or reduced appropriately. For 30-40 years old middle-aged people, the number of sexual life will be reduced compared to the younger, usually recommended 2-3 times a week. And men older than 40 years old, it is recommended to have sex once a week or so is appropriate. In fact, the number of male sexual life is not strictly defined, if there is no obvious fatigue, depression, etc., the day after sex, and does not affect life, it is a reasonable frequency of sex. In addition, it is recommended that men in the usual healthy habits, regular rest, to ensure adequate rest; appropriate physical exercise to enhance physical fitness; eat more fruits and vegetables to supplement vitamins.