There were a few aspects to consider when writing a novel about his sister-in-law and husband: 1. Confirm the background and plot of the story, such as the relationship between the sister-in-law and her husband, whether they had any conflicts or the relationship between them, etc. 2. Creating the character image: Including the sister-in-law and sister-in-law's husband, they need their character, appearance, experience, etc. so that readers can better understand them. 3. Setting the pace and development of the story: You need to let the reader follow the pace of your story and feel the ups and downs of the plot. In the process of writing, one needed to pay attention to the cohesiveness and logic of the plot. 4. Create the story's atmosphere: By describing the environment, atmosphere, and character psychology, the readers can better feel the emotions and content of the story. Based on the above points, you can try to write a novel in the following way: [Story background: My sister-in-law and her husband have been married for many years. They live in a small city.] Her sister-in-law had always felt that her relationship with her husband was a little distant, and her husband did not seem to treat her as a real wife. [Plot: One day, my sister-in-law suddenly finds out that her husband is having an affair.] She felt very painful and angry, but at the same time, she felt helpless and confused. She began to reflect on her marriage and her relationship with her brother and husband. [Character image: Brother-in-law: Beautiful on the outside, independent and confident, but a little lonely and helpless on the inside.] Husband: Gentle, considerate, responsible, but also a little traditional and conservative. Story rhythm and plot development: The sister-in-law began to realize her own problem and began to find a solution to it. In the process, she encountered some difficulties and challenges, but in the end, she decided to leave her brother and husband and start her own life again. Story atmosphere: The story is full of the pain and struggle of the sister-in-law's heart, and also shows the influence of society and family on women.