The "I" and "W" in the article have been childhood sweethearts since childhood. They cherish each other and spend ten days together after more than ten years. This article uses these ten days as clues to connect beautiful thoughts about love. The heroine has always been obsessed with W. The fresh writing style and delicate emotions describe how "I" contend with the world in the face of the world. The purity and beauty of love between the male and female protagonists. Give readers unlimited longing.