Know the Leaves but Don't Know the Clarity

--[He knows the principle of fallen leaves returning to their roots, but he still doesn't understand how clear she is. [For some people, missing out is a lifetime; for some truths, it's too late to understand them. ] In his sophomore year of high school, the seat next to Yuan Qingqin's seat had been empty for more than a year, and it finally welcomed its owner - Li Zhiye, a talented boy who transferred from a big city. He has amazing talent in mathematics, but he is always absent-minded in Chinese classes; he looks cold and distant, but he plays heartbreaking piano music when no one is around. She is quiet and reserved, and is used to hiding her thoughts with books and music; he is unruly, and uses indifference to cover up his inner scars. The two people who had nothing to do with each other originally gradually got closer to each other because of a sudden rain, a shared umbrella, and the record store at the end of the old street. They prepare for the monthly exams together, participate in art performances together, and listen to the sound of the tide at the beach in midsummer. He taught her how to play the guitar and she helped him revise his compositions. He thought they would continue like this until... In her senior year of high school, she suddenly alienated him and even got closer to Chen Yu, the second generation rich man. He was angry and confused, and eventually became a stranger to her when he graduated. When they reunited in college, he chose to turn a blind eye, while she just looked at him from a distance and never explained. It wasn't until she died of illness that he knew-- All her [betrayal] was for him. All her [estrangement] is because of love. She bore the malice of fate for him, but never let him know. [Li Zhiye, after all... You still don't know. ] --[If I could go back in time, I would like to go back to the rainy day in my sophomore year of high school and say to her: 'I actually understand everything'] [But, there is no more if. ] Concept: The biggest regret of youth is not to have loved and lost, but that when I finally understood your love, you were no longer here.