"I will make your wish come true." This was the promise Xu Yinuo made on Xu Yue's 19th birthday. It might be because he was young, or it might be something else, but in the end he broke his promise. Quarrels, doubts, and speculations made them drift apart.
"The cherry blossoms on the East Street are blooming. He promised to come back." "Still waiting, don't wait, don't hang yourself on a tree!" "Well, no wait, I've been waiting for too long, it's really too long." Xu Yue waited for Xu Yinuo for four years. How many four years can a woman have in her life...
Purpose: To establish the point of view for readers that they want to be together if they like each other