The story between Xu Song and his (ex) girlfriend can be referred to the following novel plot: Xu Song was a young musician. His musical talent was loved by young people. He once had a girlfriend, and the relationship between the two of them was very deep. However, for some reason, the two of them eventually broke up. After breaking up, Xu Song had been feeling lost and lonely, but he did not give up his music career. He continued to create excellent music and interact with fans through social media. On his path of music, he gradually met many new friends and audiences, and his music style gradually changed and grew. As time passed, Xu Song remembered his ex-girlfriend again. He began to think about his own emotional experiences and gradually realized that he still had regrets and nostalgia for his past feelings. Hence, he began to write some love songs to express his longing and love for his ex-girlfriend. These songs were very popular on the Internet, and many people were reminded of their past and emotional experiences. In the end, Xu Song mentioned his ex-girlfriend in an interview. He said that although the two of them had broken up, he still had deep feelings for her. He said that his music was a way to express himself. He hoped that he could express his emotions through music and let more people feel his inner world. This story tells us that even after breaking up, there is still a deep relationship between the two people. We should respect each other's feelings, cherish the time we had, and move on.