When she was eight years old, Yan Zhi thought that Song Yu was a nuisance. When she was fourteen years old, Yan Zhi yelled at the track and field that Song Yu was a devil. When she was seventeen years old, Yan Zhi wanted to never have anything to do with Song Yu in her life. At twenty-one years old, she left because Song Yu was covered with injuries. At twenty-four years old, she said to Song Yu that if I have a romantic dream, it is to grow old with you.