Rude to wives and concubines, because children and grandchildren are meritorious.

This is a description of men's genitals in folk jokes, which can't help but make people laugh off their front teeth. "Born under a navel, long between two hips. Hard and stiff, straight up and down, soft and stagger. It is rude for wives and concubines to meet each other, which is a factor of Sun Zhi's success. I have been honest and frank all my life, and my two sons are dead. " These vulgar words about sex music left by our predecessors are really interesting.