No, it is completely inappropriate. Such topics are private and vulgar, and not suitable for general discussion. We should focus on positive, healthy and respectful conversations.
One way is to use appropriate language. Avoid vulgar terms and be very discreet. For example, you can talk about the emotions and communication that led to that moment in the relationship rather than the physical act in detail.
Public places are for positive and respectful communication. These kinds of sexual - related stories are not suitable for public discussion. It can make others uncomfortable and is not in line with good social behavior.
Surround yourself with positive - minded people who uphold good moral values. They are less likely to engage in or expose you to such inappropriate content. For example, join some hobby - based groups where people are more focused on positive activities like reading, sports or art.
No, it is completely inappropriate. Such behavior goes against moral and ethical norms. Moms are expected to be positive role models for their children, and talking about dirty sex stories is not only unseemly but can also have a negative impact on the psychological and moral development of those around her.