Men not only have unconscious erections in the morning, but also in deep sleep. This type of penis erection usually occurs in the intermittent rapid eye movement, which is also the dreaming stage. At this time, penile erection is generally not affected by psychological factors, and can more truly reflect the sexual...
Semen, saliva, gastrointestinal fluid and blood are all human body fluids, but the smell of semen is the most significant. Semen is not as simple as other body fluids. It is a mixture. In addition to sperm, other seminal plasma components in semen are composed of prostatic fluid, epididymis fluid, seminal vesicle...
Male reproductive health is unable to erect. Erectile dysfunction (ED) and impotence are common sexual function problems in men, affecting about 40% of men and 70% of men over 40 years old. Male reproductive health is under great pressure. Some men open their partners. There are some principles to help you talk...
1. Maintain indoor temperature at 26 ℃In summer, many couples, in pursuit of coolness, either set the air conditioning temperature very low or blow the fan directly in front of them, which can easily cause a "cold" in th...
The first awkward thing - enjoying the beauty of sex at that timeSexy and tense underwearOn Valentine's Day, Crick received a sweet gift from Ling Jie, which was a very beautiful underwear...