Xiaoyu's life diary, she thought, the most romantic thing is to grow old together slowly.
Chen Hua is a member of the story, and he knows it too, adding details of life along with Xiao Yu.
Record every moment of life, record the interesting things into a book, share the joy and interesting things with you and me. When I get old, I will flip through the book and I will be able to think of you and me and my mood at that time.