You can firmly but gently say that these are private matters and you don't want to be involved. For example, 'I respect your relationship, but this is too personal to share. Let's talk about something else.' And then change the topic to something more positive and general like hobbies or recent travels.
Politely tell them that you are not interested in hearing such personal stories. You can say something like 'I'm sorry, but I don't think it's appropriate to discuss this.'
If someone tries to share such stories, you can express your discomfort. You could say, 'I'm really not comfortable with this. We should respect the privacy of our friend's family. There are so many other things we can talk about, like how our friend is doing in general or their recent achievements.' This way, you make it clear that such inappropriate sharing is not acceptable while also guiding the conversation in a better direction.
Politely but firmly tell them that this is not acceptable. Explain that such a story involves privacy and ethics issues. If they continue, you may choose to distance yourself from the conversation or the person.
You can directly tell them that such topics are inappropriate and ask them to stop. For example, say 'I'm not comfortable with this topic, please change it.'
You could say something like 'This is a very private matter and not suitable for sharing. Let's talk about something else.' If they don't take the hint, you may need to be more direct and say that you find the topic offensive and inappropriate.
You can simply and firmly say no. For example, you can say 'I'm not comfortable with that' in a calm but clear voice.
Politely tell them that it's not an appropriate topic and you don't want to hear it.
Tell them firmly that you don't want to hear it. It's inappropriate and unethical.
Tell them that it is unethical and disrespectful behavior. Encourage them to respect their partner's privacy and the boundaries of their relationship. If they continue, you may need to distance yourself from them as they are showing a lack of respect for their partner and proper social norms.
When they realize what has happened, they should have an open and honest conversation. The drunk state might have led to a lapse in judgment. They can start by apologizing if either felt uncomfortable. Then, they should establish some ground rules. For instance, they can decide that sexual topics are only for private, intimate moments when both are fully aware and comfortable. This way, they can prevent similar situations in the future and protect the privacy and respect within their relationship.
One possibility could be that he is exploring different forms of literature or media for the sake of cultural understanding. Gay stories often touch on themes of identity, acceptance, and love, which can be enlightening for anyone regardless of sexual orientation. By engaging with these stories, a husband might gain a broader perspective on the human experience.