Actually, I didn't think about writing a preface, But I must write it. Let us first understand the inspiration for this article.The source of inspiration was accidental-at the time, I saw a sentence in a library-if you were well, it was sunny. This sentence is very famous in China. The scene used is usually two people who once fell in love, but they have no choice but to separate the two places, but they miss each other.However, when I saw this sentence, there was a problem in my mind. If, two people who hate each other. After many years, they will meet again by chance, what will they say?I have been thinking about this for a long time - both elegant and graceful. So my answer is, with a smile, whispered: "Hey, I am fine!"Therefore, I decided to write a novel. The final outcome of the novel is two people who hate each other and meet again after many years. But when I finished writing, I found out that I didn't hate him or even love him. So I overthrew the novel and rewritten it again. When I wrote the novel a second time, I found another problem. People and things that I think are very familiar have been blurred after a long time. I can't describe his appearance clearly in words. Only open the photo and point to the familiar and strange person in the photo. Say, "This is him."To this end, the novel was revised for the third time. Try to put some of your own feelings and some vague memories into the novel.