No, it is completely unethical. Having sex with a friend's wife violates the basic principles of friendship, loyalty, and respect. It can cause great harm to the friend, his family, and the relationship between you and your friend.
No. Even in a fictional story, this represents a serious violation of the basic norms of relationships. It shows disrespect for marriage and the people involved.
One major consequence is the loss of a friendship. Your friend will likely feel extremely betrayed and will not be able to forgive you. Also, it can cause a lot of emotional distress to the wife as well, as she may be caught in a difficult situation between her marriage and this improper relationship.
No, it is completely inappropriate. In a committed marriage, there should be boundaries in terms of physical exposure to others. Such behavior violates the privacy and loyalty within the marriage relationship.
Definitely not. In a proper marriage, the idea of a 'sex friend' taking a wife for the weekend is out of the question. A marriage is a bond between two people, and this would be a major violation of that bond.
No, it's never acceptable. In any relationship, whether in a story or in real life, sex should be based on mutual consent. Forcing sex is a form of abuse, and it goes against the values of a healthy relationship.
This is a very serious and unethical situation. However, such a situation should never occur. In a proper and moral world, people should respect boundaries and relationships. If such a horrible mistake were to hypothetically happen, it would likely lead to the destruction of friendships, emotional turmoil for all involved parties, and a great deal of guilt.
No, it is completely unethical. Marriage is based on loyalty and commitment. Having sexual relations with someone outside the marriage, especially a friend, violates the trust and vows in a marriage.
Definitely not. Marriage is based on loyalty and fidelity. If a wife has sex with a friend, it not only breaks the marriage vows but also can cause great harm to the husband emotionally, and may lead to the breakdown of the family.
No. Spreading such stories is completely unethical. It violates the privacy and dignity of others. A person's sexual life is a very private matter, and when it involves someone's wife, it can also damage the friendship and cause great harm to all parties involved.