The pre-divorce rule is a fictional story. I don't have any relevant information to answer your question. But if you want to understand the plot and structure of the novel, I can provide you with some help. The plot and structure of a novel are usually composed of multiple parts, each of which involves different characters, scenes, and events. These parts are usually intertwined to form a complete story. A novel might have multiple drafts or writing plans, and the author would eventually decide which parts were most suitable for the novel. If you want to understand the theme and plot of the novel, you can search for relevant online resources or read related novels.