When changing sexual partners, premature ejaculation can be changed.
From an evolutionary perspective, premature ejaculation can be said to be innate. During the long process of evolution, our ancestors lived in extremely harsh environments. The harsh living environment requires men to end mating as soon as possible, take precautions to protect themselves and their sexual partners, and avoid potential harm from wandering beasts around. And women need about 30 minutes of lying flat time to facilitate the fertilization of the egg and “fixation” (implantation) in the uterus, which is the most basic source of sexual disharmony.
