What kind of sexual knowledge should men know? There are many cases of divorce caused by unpleasant sexual life of couples, so it is necessary to know about sex. So what kind of sexual knowledge should men know? Here is an introduction for you. Ejaculation is very important for female orgasms A husband who does not ejaculate may ask his wife: What difference does not ejaculate make? Dissatisfied with me, you shouldn't care! On the surface, from the state of the physiological organs, the various reactions of ejaculated women are not obvious or strong, all situations appear in the pushing, friction, female cooperative actions of the penis, in this sense, male ejaculation, the full realization of female orgasm seems to be irrelevant. However, if a man thinks so, he is very wrong. In fact, most women do get excited by the influx of semen, which is physiologically unexplainable, but women do feel this way. Women describe their feelings this way: The skin intimacy before sexual intercour...