Mistakes in sex are often the reason why both partners do not master the rhythm of sex. Without sex, we think that each other is not good, but excessive sex is not only bad for the body, but also very harmful to the psyche. Let's see the best frequency of sex. First, sexual life is harmonious In order to harmonize sexual life, couples must know basic sexual knowledge, especially the normal differences in the functioning of men and women. Otherwise, the husband and wife will not be able to cooperate with each other tacitly. In summary, the functions of men and women are as follows: (1) Male libido is strong, vigorous, and can cause sexual excitement at any time Female libido is relatively weak, and sexual excitement is related to the menstrual cycle (generally high libido before and after ovulation and premenstruation). A small number of women have weak sexual desire before marriage, and their sexual desire gradually increases during sexual life after marriage. (2) Male impulses are...