Sexual kung fu is the main component of the “second treasure” exercises. As puberty progresses, the genitals become the internal source of jing. In men, this source is sperm and testosterone, and in women, the egg and sex hormones.
As a result of processes occurring inside the human body, the sexual component of jing is transformed into a powerful energetic form of qi. In early adolescence, when puberty sets in, the sexual “essence,” transformed into sexual energy, becomes the main driving force of the physical body. With age, sexual potency decreases and a significant decline in energy levels occurs.
Taoists believe that ejaculation in men is associated with the loss of a significant amount of Jing. In this regard, many exercises have been developed to transform “essence” into qi. The practice of sexual kung fu is based on a person's ability to transform the sexual "essence" (jing) into life force energy (qi).
In women, jing decreases during the menstrual period and is associated with blood loss. Given equal sexual activity, a man loses much more jing than a woman. Taoists believe that this is where we should look for the reason for women's longevity. Women have a large supply of “essence” necessary to transform it into energy. From now on, we will consider the sexual jing as jing qi, or sexual energy.
The latter is considered the only body energy that increases when stimulated. In the absence of sexual arousal, a person may not even be aware of the presence of such energy. Conversely, sexual stimulation makes you feel a surge of vitality, which cannot be measured, but you can learn to manage it.
Taoist sexual secrets are unlikely to have analogues in world practice. In particular, there are special “individual development” exercises, designed for independent work, and exercises performed with the participation of a sexual partner and called “pair development”. It is they who reveal the Taoist secrets of prolonged sexual intercourse, sexual massage, sexual healing, circulation of sexual energy and the spiritual aspects of sexual life.
Taoists call the genitals the “front gate.” An outflow of energy occurs from weakened genital organs. The “closing the two front gates” exercise is aimed at strengthening and activating the genital organs and preventing the outflow of jing qi, or sexual energy.