The frequency of sex for couples needs to be decided according to physical condition, age difference, and physical condition, and it is usually recommended for young couples to have sex 2-3 times a week. A regular, high-quality sex life can increase the relationship between couples, improve the quality of life and reduce the chances of vaginitis in women. A good sex life for young people is usually 2-3 times a week, but you need to make sure you don’t feel too tired the next day. As middle-aged people start to lose their fitness, it is advisable to reduce the number of times you have sex, such as 1-2 times a week, according to your situation. If sexual life is too frequent, it is easy to cause fatigue in both men and women, affecting the work, long-term frequent stimulation of inflammatory infections, it is not worth the loss. In addition, couples need to pay attention to hygiene when they have sex, wash their pubic area before and after, and pay attention to condoms and other contraceptive measures for those who do not want to get pregnant. When the body does not feel well, sexual intercourse should be prohibited, and then have intercourse when the body condition improves.