The age of 13 is called the year of cardamom. The newborns are called infants, and those who are not yet old are called swaddling clothes; those who are 2 to 3 years old are called children. A girl is called tweener at 7 years old. A girl aged 12 is called the year of the golden hairpin. A girl aged 13 is called the year of cardamom. A girl at the age of 15 is called the year of maturity. 16 years old is called the year of jasper, 20 years old is called the year of peach and plum. 24 years old is called the year of flower and letter, and a woman who gets married is called the year of plum. 30 years old is called the year of standing: Confucius said, "I am ten years old and five years old and aspire to learning, thirty years old and stand up, forty years old and not be confused, fifty years old and know the destiny of heaven, sixty years old and obedient to the ear and seventy years old and do what you like. So later generations call 30 years old as the year of establishment. Beginning room: thirty years old. Li Ji - Nei Zi (The Records of Rites): thirty years old and have a room, begin to take care of men's affairs". Ke Zhuang: in the prime of life. In ancient times, thirty years old was strong. Half old Xu Niang: women thirty years old. 40 years old said not confused: not confused is a man forty years old (not confused, not confused, not confused meaning).