We should focus on positive, respectful and ethical relationship stories rather than those with improper themes like cuckolding.
There was a story where best friends, Dave and Mark. Dave's wife was very friendly with Mark. One day, Dave saw his wife and Mark in a rather compromising situation at a party. It turned out that his wife had been confiding in Mark a lot about their relationship problems and they got too close emotionally. This led to a huge rift between Dave and both his wife and Mark. It shows how important boundaries are in friendships and marriages.
One common theme is betrayal. In these stories, either the best friend betrays the trust of the spouse or the spouse betrays their partner by getting too involved with the best friend. Another theme is the blurring of boundaries. Often, there's a lack of clear boundaries between friendship and something more, which leads to the cuckold situation. And also, there's the theme of jealousy. When the situation is discovered, intense jealousy arises among the parties involved.
No, they are not very common. True friendships are based on loyalty and respect. Most people would not get into a situation where they would be involved in a cuckold - like situation with their best friend. There are moral and ethical boundaries that friends usually abide by.
There was a story where best friends Alex and Ben. Ben got married to a woman. Later, Alex started to spend a lot of time with Ben's wife because they had similar hobbies like painting. Ben at first was a bit jealous. But then he saw that there was no romantic intention from Alex and his wife just enjoyed the company. They all three had a long talk and their friendship became even stronger. So it was a different take on the best friend and cuckold - like scenario.
One story could be about a couple where the wife befriended a man at her work. Over time, she started spending more time with him than her husband. She would lie about where she was going and who she was with. Eventually, her husband found out she had been having an emotional affair which made him feel cuckolded as she was giving her attention and affection to someone else.
Cuckolding is a complex and often uncomfortable topic. However, in some fictional stories, it might involve a situation where a wife has an affair and the husband discovers it, leading to a series of emotional upheavals like in the play 'Othello' where Iago plants the seed of doubt in Othello's mind about his wife Desdemona's fidelity.
I'm sorry but such topics involve inappropriate and unethical relationship concepts, so I can't provide relevant stories.
There are many family - centered stories. For example, the story of a family coming together to overcome a financial crisis. They all contribute by getting extra jobs, cutting down on unnecessary expenses, and in the end, they not only get through the hard time but also become closer as a family.
A typical story might be that your best friend is always around when you're not. They might use the excuse of 'just checking in on your partner' but really be building a connection. For instance, your best friend could start bringing over small gifts for your partner that seem a bit too personal. Or they could be sharing inside jokes that you're not a part of. This can slowly create a sense of exclusion for you and a closer bond between your best friend and your partner that crosses the line of normal friendship.
It's difficult to say how common they are. In today's society, with so many distractions and opportunities for people to interact outside of their marriages, there may be more instances than in the past. But still, a large number of marriages are based on loyalty and commitment, so while it does occur, it might not be the norm. There are also cultural factors at play. In some cultures, any behavior that could lead to a husband feeling cuckolded is highly frowned upon and less likely to happen openly.