A frequent theme is the exploration of self - discovery. The mature wife, having perhaps been in a more conventional relationship before, may find that her attraction to a younger man allows her to explore new aspects of her own personality. For example, she might become more open - minded and willing to try new things that she hadn't considered before due to her new relationship. The relationship may also face challenges from society's expectations, which adds drama to the story.
One story could be about a wife who meets a younger man at an art class. She's initially drawn to his fresh perspective on art and life. As they interact more, she realizes she has strong feelings for him. Despite the age difference, they bond over shared interests like hiking and reading classic novels. Their relationship is met with some initial resistance from family and friends, but they work through it together.
There's a novel called " Demon of Breaking the Marriage at the Beginning " that has a plot similar to what you described. This novel was about an older brother who was worried about his younger brother because of his burns, so he found a wife, and the younger brother married in his brother's name for the sake of his older brother. You can try reading this novel to see if it meets your needs.
This is not normal behavior at all. In a committed marriage, the focus should be on the relationship between the husband and wife. Having an interest in such stories involving other men is concerning as it goes against the loyalty and exclusivity that marriage typically represents.
In another story, there's a woman named Claire. She was a writer. At a writing workshop, she met a younger man who was also a budding writer. They had different writing styles, but that's what intrigued Claire about him. They started collaborating on short stories. As they spent more time together, they fell in love. Their relationship was based on their mutual love for writing, and they would often sit in coffee shops for hours, discussing plot ideas and character development.
She might simply be a person who loves diverse stories. Black men's stories can range from tales of family, community, to their own personal growth and development. By being exposed to these stories, she can gain a broader perspective on humanity in general.
Sharing or discussing sexual stories, especially those with inappropriate age differences, is unethical and not suitable for public discussion. We should focus on positive, healthy and ethical literary works.
You could also try to get involved in these interactions. Join in when they are sharing stories and see what it's all about. This way, you can better understand the dynamic and your wife's intentions. If it's all about positive cultural exchange and friendship, there's no need to overreact.