To be naturally free from sexual urge is beneficial, suppression brings harm and overindulgence leads to exhaustion. To have sexual intercourse naturally, without and difficulty or reluctance, is in conformity to the natural law. The whole course of sexual intercourse is completed naturally, without any uncomforted physically or psychologically. Neither sleep nor the mental state during the next day is affected by sexual intercourse. But temperance should be exercised in sexual life.
Overindulgence damages health and shortens life span.
According to TCM theories, the kidney stores the reproductive essence whereas overindulgence in sexual intercourse in most likely to damage the kidney-essence. The key to checking sexual activities lies in keeping the mind clear from avarice and wild fancy. Our forefathers held that at the sight of pretty women the sexual desire is aroused. Adolescence is just he time for youths to grow and develop. Their kidney-qi is becoming sufficient but their muscles and bones are not yet strong enough, so the most important thing is to prevent them from experiencing sexual activities so early as to exhaust their natural essence.