What was the outline of Lu Xun's story of grief?

Lu Xun's Regret for the Past was a novel about the love story between himself and his wife. It mainly described the love story between Lu Xun and his wife, Xu Guangping, as well as the various difficulties and setbacks they experienced together. The protagonist of the story was Lu Xun's wife, Xu Guangping. She was a smart, kind and brave woman. Lu Xun and Xu Guangping met and fell in love in their youth, but for various reasons, they did not get together. Later, Lu Xun became a doctor, and his life became poor. Xu Guangping also left his hometown and came to Shanghai to become a doctor. Among Lu Xun's works, Regret for the Past was regarded as a work that reflected social reality. It revealed the various ills of Chinese society at that time, such as feudal ideology and the shackles of old morality. At the same time, it also reflected Lu Xun's dissatisfaction with the society at that time and his longing for the future. In "Regret for the Past", Lu Xun and Xu Guangping experienced many difficulties and setbacks together, and their love also went through the test. In the end, their love triumphed over everything and they spent the rest of their lives together. This novel was also regarded as one of Lu Xun's representative works, which had a profound impact on Chinese literature.