" You Are My Lover " was a science fiction novel written by Liu Cixin that described the fate of mankind in a future world. The protagonist of the story was a young scientist who invented a technology that allowed people to understand and fall in love with each other. This technology is called the " emotional matching system " and can help people find a partner who loves each other. At the beginning of the story, the protagonist was busy testing the technology, but when he met a girl named Lin Jiaxin, he began to realize that the technology might not be perfect. In his time with Lin Jiaxin, the protagonist gradually understood her story and the feelings between them deepened day by day. However, the protagonist found that Lin Jiaxin's background was very different from his, which made him feel uneasy. At the climax of the story, the protagonist and Lin Jiaxin were faced with a difficult choice. They had to let go of their prejudices and choose someone who was truly suitable for them. In the end, the protagonist chose to let go of his past and chose Lin Jiaxin and the others to become a pair of lovers. At the end of the novel, the protagonist finds that the emotional matching system can't solve all the problems. He begins to realize that everyone has their own story and uniqueness. He realized that love required true understanding and acceptance, as well as sacrifice and sacrifice. The protagonist and Lin Jiaxin still loved each other deeply after experiencing a series of tests. They finally chose to be together.