The ninth eldest sister doesn't understand why her eldest brother's wife's fairy-like sister-in-law disappeared mysteriously. She also doesn't know when the tenth brother became evasive and stopped being close to her. She only remembers what her eldest brother said: Xiaojiu, you are still young, you will understand when you grow up. Rather than being a wonderful craftsman, it is better to say that it is the crystallization of the wisdom of the Creator.