In fact, it is usually used with crying, as mentioned in Qian's Peach Blossom Garden Poetry. In ancient times, there was weeping: the hair of an uncapped boy drooped, and later it often referred to children. Yellow weeping generally referred to the old and the young, that is, the old and the young.
Extended data:
Children: 2-3 years old children. Refers to early childhood.
Crying: children aged three or four to seven (female) and eight (male) (sausage, short hair hanging naturally from the head of ancient children).
Total angle: teenagers aged eight (female), nine (male) to fourteen (ancient children divided their hair in half and tied it in a knot at the top of their heads, which looks like two horns, so it is called total angle and total H).
Cardamom: 13- 15 years old (Cardamom is a plant that blooms in early summer, and it is not yet midsummer, which means that people are still underage, so it is called "cardamom").
Bundle hair: the man is fifteen years old (when he is fifteen, he will dissolve the original two horns and tie them into a bun); When an ancient teenager was fifteen years old, his hair was tied in a bun, because it was used to refer to an adult: "Yu Zi tied his hair in the reading room" (Chronicle of Gui Youguang Jixiang Xuan). Hair is usually 15 years old. At this time, you should learn various skills. "Dai Fu Bao": "Shu Fa went to college, studied big arts and performed big festivals."