In daily life, some women, due to a lack of medical knowledge, always need to welcome their husbands. On physiological days, it is necessary to warn these female friends that infection during physiological days can lead to female infertility.
In love between men and women, enduring combat ability is the dream of all men and the expectation of all wives towards their husbands. However, some men are unable to engage in prolonged warfare. Can you introduce the factors that affect prolonged war...
Firstly, during sexual activity, not only are the sexual organs of both men and women in a highly congested state, but many tissues and organs of the human body participate in this special physiological process from sexual excitement to orgasm. For exa...