Some people in society would be shocked and offended. They might see it as a violation of social norms and decency. Conservative groups would likely condemn it and use it as an example of the breakdown of moral values.
In the story, the wife might be part of a feminist movement that advocates for body equality. She goes topless as a form of protest against the objectification of women's bodies. She tries to start a conversation in her town or neighborhood about how women's bodies are policed more than men's. This could lead to various reactions from the people around her, from support to strong opposition.
If you're okay with it, just be normal and respectful. You can carry on with your activities as usual. If it makes you uncomfortable, have an honest conversation with her about your feelings.
She could face legal issues. Many places have laws regarding public nudity or inappropriate exposure, and being topless on a boat in public view may violate those laws.
Well, it depends on the context. In a private, consensual relationship within the home, it could be seen as a form of intimacy between a couple. However, from a more general moral or social standard, it might be considered inappropriate as it goes against the norms of public decency. But since it's in the home, as long as both parties are comfortable, it can be part of their unique relationship dynamic.
It's not really appropriate in most cases. The beach is a public place and there are people of all ages and backgrounds. A topless wife could make others feel embarrassed or offended. Even if in some places it's legally allowed, from a moral and social respect perspective, it's better to be more clothed to avoid causing unnecessary discomfort to others.
There could be stories where a wife might be wearing a very revealing bikini top that gives an impression of being 'almost topless' in a more permissive beach culture. Maybe she was participating in a beach volleyball game and the top was a bit too skimpy, but it was all in good fun and part of the beach's laid - back vibe. But this is not the same as actual toplessness which is not widely accepted in general public beaches.
There are very few, if any. Literature that respects ethical and moral values would not typically include such stories. It's more about exploring human nature, emotions, and relationships in a positive and respectful way rather than focusing on something potentially demeaning like that.