"There are no more than seven women, and no more than eight men."The "seven" and "eight" mentioned here are not specific ages, but two numbers that represent time periods. In the Yellow Emperor's Neijing, seven represents the seven stages of a woman's life cycle, while eight represents the eight stages of a man's life cycle. This wise sentence not only reveals the mystery of life, but also reflects the philosophy of harmonious coexistence between man and nature. The Yellow Emperor's Neijing expounds the law of the growth of the male body, which is based on an eight-year cycle. Every eight years, a man's body undergoes a series of changes. From 18 to 28, the male body matures;From thirty-eight to forty-eight, men enter the peak period of career development;From five to six or eight, men gradually enter middle age;Seventy-eight to eighty-eight, men gradually age, and both physically and mentally have lost the vitality of their youth. This law of cyclical change reveals the mystery of the male life cycle and the laws of nature. 
Unlike men, the life cycle of women in the Yellow Emperor's Neijing is based on a seven-year period, from adolescence to menopauseEach stage has its own unique physical and psychological characteristics。From 17 to 37, the female body gradually matures and enters puberty;From 47 to 77, women go through the childbearing period, the parenting period, and finally enter menopause. The cycle of this cycle reflects the whole process of women's lives, and also shows the magic and greatness of life. In modern society,People understand it more as:Physical and psychological changes that occur after the age of 49 in women and 64 in men。After this age, a woman's ovarian function gradually declines, menstruation stops, and she enters menopause;Men, on the other hand, begin to show signs of aging such as hair loss, loose teeth, and limited mobility. The wisdom that "women are no more than seven, and men are no more than eight" helps us better understand the essence of life. Life is like the four seasons, and each stage has its own unique beauty and value. We should not resist the laws of nature, but should follow the flow of life and enjoy the scenery at every stage. At the same time, we must also be aware of the finite nature of life, cherish every moment, and strive to pursue our dreams and goals. 
In this fast-paced society, people often seek quick and superficial success. However,"No more than seven women, no more than eight men" tells us that it takes time and patience to grow and change in life. Whether it is a career or a family, we need to operate and maintain it with our hearts. Only in this way can we go further and more steadily on the road of life. In fact, the wisdom of "women are no more than seven, men are no more than eight" is a deep understanding of the rhythm of life and the laws of nature. It teaches us to cherish every stage of life and feel the rhythm and rhythm of life with our hearts. Only in this way can we truly understand the true meaning of life and add more color and meaning to our life journey.
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