A harmonious and happy sex life will add a different sweet color to the couple's relationship, but if a man has erectile dysfunction in sexual life, it will have an impact on the couple's sex. So now let's go to understand when sex, how to get a fast erection during sex? How do you get a fast erection during sex? In fact, many physiological functions of human beings are related to the innervation of sympathetic and parasympathetic nervous systems, and they are often in a relationship of trade-offs, alternation and switching, such as people are particularly active in sympathetic nerves at work, and parasympathetic nerves dominate everything during sex. If the function exchange between these two nervous systems is very smooth, then people can be very handy for both work and sex. Breathing training can achieve this purpose very well, increase the ability to erect well, and improve your libido. The specific method is actually that it is best to sit in a kneeling position and ad...