No, it is not ethical. Having sexual relations with a brother - in - law violates the norms of family relationships and marital fidelity. In most cultures and moral systems, family members are expected to maintain appropriate boundaries. Such behavior can cause a great deal of harm to the family structure, including emotional pain for the spouse, confusion for other family members, and potential damage to family unity.
This is an extremely unethical and inappropriate topic in most cultures and ethical systems. However, in some ancient or very specific and controversial literary works, there might be some complex and often condemned storylines touching on this. But it is not something to be advocated or casually explored.
It's not ethical at all. Think about it. Your brother has a certain relationship with his friend, and if you get involved sexually, it's like you're intruding on that bond. It can also cause rifts in your relationship with your brother. Plus, it may make the friend feel awkward around your brother, and vice versa. In most social and moral frameworks, this kind of behavior goes against the norms of proper relationships.
No. Writing such fanfiction often involves inappropriate and unethical content. It can cross boundaries of privacy, respect, and may also make others uncomfortable. It's better to focus on positive, healthy and respectful themes in writing.
Ethically, it is unacceptable. It goes against the principles of loyalty within a family structure. The relationship between a brother and his wife is a sacred one in terms of family ties. Any form of sexual relationship here not only betrays the brother but also disrupts the normal family order and can lead to a cascade of negative emotions like jealousy, anger, and sadness among family members.
It can be a complex situation. In some families, if done in a very proper, age - appropriate and respectful way, it might be okay. For example, if it's more about general puberty education. But generally, it's better for parents or professional educators to handle such sensitive topics to avoid potential awkwardness or misinformation.
In most ethical and moral frameworks, this is completely unethical. It goes against the principles of loyalty and commitment within a marriage. In society, marriage is often seen as a bond between two individuals, and such an act would be a serious violation of that trust.