The frequency of sexual life is influenced by many factors, and stress and fatigue at work will reduce sexual requirements. Age is also a factor, and the requirements of youth and maturity are strong. After the age of 50, men's sexual ability generally declines, but some of them still maintain their sexual ability in middle age when they are 70 years old. According to the investigation of 300 northern women by experts, it is found that in the group of 20-25 years old, most of them have sex every 1 ~ 2 days/time; In the group of 26 ~ 30 years old, it moved to 2 ~ 3 days 1 time; 3 1 ~ 40 years old group with lateral deviation for 3 days1time; Over 40 years old, it is mainly weekly 1 time; The frequency of sexual intercourse among different groups is also different. The frequency of sexual intercourse among intellectuals is lower than that of farmers, and the frequency of workers is higher than that of farmers. It is believed that this is related to the arrangement of spare time and labor intensity. Generally speaking, it is necessary to avoid fatigue and malaise caused by sexual life, which will affect work and study.

Some data show that the frequency of desire varies from person to person. It is best for couples to have sexual intercourse when they have desires. The number of sexual intercourse should be determined according to your own actual situation, and it should be adjusted by both husband and wife. No matter how many times of sexual intercourse, it should be based on the principle of not causing fatigue or affecting work and study the next day, as long as you feel happy and energetic after sexual intercourse.