Women's Bildungsroman.
Shi Yan's childhood sweetheart, He Yuyu, has been madly in love since he was 18 years old, went through 10 failed relationships, and finally got married to Shi Yan.
But Shi Yan is destined to break his promise.
On the way of growing up, He Yue gradually understood his gains and losses.
(The writing style of this article is a diary in which the heroine in the story recalls what happened since she graduated from high school, and the other half is a story that happened in her real life.)
Concept: first person.