What is the theme of the novel "Golden Age"? Why?

Golden Age is one of Wang Xiaobo's representative works, which mainly tells the story of a girl's growth. The theme of this novel is about love, freedom and humanity. In the novel, the love between Wang Er and Chen Qingyang is the main line. The love between them is absurd and real, and it is not bound or restricted. There are many thoughts about freedom and humanity in the novel, such as Wang Er's reflection on his own life and his criticism of social reality.