One reason could be that she is unhappy in the relationship herself and takes it out on him in a negative way. Maybe she expected something different from the marriage and is disappointed.
One common reason could be power dynamics. The wife may feel that by putting her husband down, she gains more control in the relationship. For example, if she earns more money or has a higher social status, she might unconsciously use humiliation as a way to assert her dominance. Another reason could be her own insecurities. Maybe she has low self - esteem and feels better about herself by making her husband seem less competent.
Sometimes it can be about dominance. Just like in any animal group, there can be a pecking order. Mom cats may fight to establish who is more dominant. If a mom cat is used to being the dominant one in her area and then is defeated by another mom cat in a fight, she may experience humiliation. This could also be related to attracting the attention of humans or other animals in the area for better resources or protection.
One reason could be that the wife has stronger leadership skills. Just like in any relationship, sometimes one person is more natural at leading, and in these stories, it's the wife. She might be better at making quick and effective decisions.
It might be due to a lack of communication. The husband may not be able to express his true self clearly, and the wife misinterprets his behavior as being 'sissy'. Then, in her frustration, she becomes cruel. Also, perhaps the wife grew up in an environment where aggression was the norm for handling differences, so she doesn't know any better way to deal with her husband's non - traditional masculinity.
One reason could be jealousy. Maybe the smaller girl is envious of something the larger girl has, like more popularity or better social skills, and she uses size as a way to try to put her down.
In fictional works, it could be used to show extreme moral decay. Writers may use such a plot to explore the darkest corners of human relationships.
Another reason could be cultural. In some cultures, women are expected to be more subdued and play a more passive role at home. So, the domant wife in the stories might be influenced by such cultural norms. For example, in some traditional families, the wife is seen as the one who keeps the home in order silently while the husband is the more outward - facing figure.
In some cases, it could be that the husband was living a lie for a long time. He might have married the wife because of family pressure or other external factors. The day - to - day life with his wife, such as sharing emotional intimacy or having conversations about relationships, could trigger his self - awareness. He might start to compare his relationship with his wife to his feelings towards men and finally admit to himself that he's gay. But it's important to stress that sexual orientation is an inborn trait and not something that can be changed by an external force like a wife.
Sometimes it might be for a deeper understanding. The wife may want her husband to understand what it's like to be a woman, like dealing with different clothing styles, makeup, and the general perception society has towards women. For example, in the story where the wife was doing a project on gender perception. She made her husband go through the experience to gain that understanding.
One possible reason could be relationship issues. Maybe there are unresolved conflicts or a lack of emotional connection that is affecting their sexual relationship. Another reason might be related to the wife's own sexual needs not being met or understood, so she is unconsciously or consciously withholding sexual satisfaction from her husband. It could also be due to stress or health problems on her part that are reducing her libido or making her less interested in sexual activities that lead to orgasm for her husband.