Hardly any other topic has preoccupied mankind over the millennia as much as the tension between sexual pleasure and procreation. More than 3000 years ago, the Chinese discovered that men can have multiple orgasms if they control or even completely avoid ejaculation. In the West, it took until the 1940s for Alfred Kinsey to report similar discoveries. But although his findings have been repeatedly confirmed in laboratory experiments, this knowledge still has no real social relevance.
The retention of seminal fluid during sexual union was a well-kept secret in ancient China. In the beginning, these practices were exclusively practiced by the emperor and his inner circle. Later, they became accessible to “ordinary people” as well and were passed down from father to chosen son, but withheld from all female family members. Today, these restrictions no longer exist.  In Semen and Ovary Kung Fu, men and women learn how to direct and transform their sexual energy along the path of the small circuit (see illustration). With each ejaculation and menstruation, the body assumes that a new life is to be conceived. According to Taoism, all organs and glands sacrifice their best energy for this, which is called orgasmic energy. According to the Kinsey Report, a man ejaculates on average five thousand times during his lifetime, some men much, much more. From a Taoist perspective, a man loses energy mainly through ejaculation, while a woman loses energy through menstruation, not through orgasm. Women can experience about three hundred to five hundred menstrual cycles. Each egg cell and each sperm also contain highly effective, creative energy.

Sexual life disorders such as premature ejaculation, erectile dysfunction, impotence, prostate problems, menstrual cramps, organ dysfunction and hormonal fluctuations can be alleviated, if not resolved, with Healing Love practices. Most men are sexually weaker than women, losing more energy than women for the same amount of sexual activity. The sexual imbalance between man and woman is obvious. The woman can take her husband inside her as long as she wants. The Taoists therefore say that their yin essence is almost inexhaustible. The man's physical power of love, however, is limited by the amount of energy available to him for his erection.
The effects that this biological primordial imbalance has on the man-woman relationship are enormous. A real chain reaction, from marriage to the relationship to work, to the culturally determined roles we adopt. The spiritual models that guide our self-development and inner growth are also affected.
In the depths of their hearts, men encounter the inexhaustible sexual power of women with as much fear as fascination. Perhaps this sexual insecurity is also the reason why men throughout the ages and in every culture have sought to suppress women physically, politically, financially, intellectually and religiously.
The search for sexually fulfilled love has taken on an almost religious dimension among people who are too scientifically minded to believe in any of the traditional versions of a god. Devotion to a single person offers something tangible, a sacrament that is personal and present, the altar of love, so to speak.

It is possible that the decline of religion in the West began with the experience that sexuality became more open, stronger and more important than the spiritual experience that a religion could offer its believers through prayers and in community.