It is not a youth full of ambiguity and pink, where top students and bad students fly together, and beauties and handsome guys dance together. The prototype of the story is just an ordinary but not so lucky girl in reality. Originally, this was just an example of my mother teaching me not to fall in love prematurely. During the few free nights after I graduated from the third grade of junior high school, I typed out this article word by word in the dark, which now seems very hypocritical.