This question involved many different factors and cultural backgrounds. It was impossible to give an accurate answer simply. However, the following possible explanations could be considered: Modesty and self-reflection: Many of them will think that they are not doing well enough in some aspects, so they will talk about their own problems and shortcomings. This kind of modesty and self-reflection culture was more common in the field of novel creation. 2. Express emotions: The novel is an art form for expressing emotions and thoughts. They may express these emotions and thoughts by pointing out their own problems and shortcomings. 3. Culture and tradition: In some cultures, modesty and self-reflection are considered virtues. Therefore, they would talk about their problems and shortcomings to express their lack of virtue. Language and expression: These languages and expressions may affect their self-perception. Therefore, they might express their inadequacies and inconveniences by talking about their problems and inadequacies. Fictionists say that their problems are probably due to cultural and personal factors. This was not an absolute rule.