Such a topic is not suitable for discussion as it involves inappropriate and unethical content. We should encourage conversations that are beneficial and respectful.
Definitely not. Such content has no place in a civilized society. It can make people feel uncomfortable and offended. We should promote positive values and stay away from this kind of vulgar content.
This is a very difficult and disturbing situation. You must act quickly and assertively. Start by having a private talk with your mother. Express your extreme discomfort and make it clear that this behavior is unacceptable. At the same time, be there for your girlfriend. Listen to her feelings and offer her all the support she needs. You may also need to consider involving a professional counselor if the situation is too complex to handle on your own.
Such a topic is not appropriate for civilized conversation. It goes against moral and ethical standards and is not something we should explore or discuss.
This kind of question is not appropriate and doesn't belong to normal and respectful communication. Let's talk about something else that is meaningful and appropriate.