Xuất tinh âm hộ làm cho một con cặc yếu thủ dâm

Until now, many still believe that masturbation can make the penis smaller because at that time the level of testosterone in the body also decreases. Many believe that testosterone levels in the body will affect the size of the penis. In fact, there has been no research that proves the relationship between masturbation and penis size. That way, you can say that this assumption is wrong Masturbation is a normal and natural sexual activity. Contrary to popular belief, this activity does not have a bad impact on your body health or the quality of your sexual life. When masturbating, the body releases small amounts of the hormone cortisol or stress hormone.