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 suitable for discussion as it involves inappropriate and unethical content. We should encourage conversations that are beneficial and respectful.
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.
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.
There was a time when the son came home from school and saw the mom's pussy cat sleeping in the sun. He gently stroked it to wake it up and then played with it using a cat toy. The cat pounced on the toy and they had a great time together. It was a really cute moment that showed the bond between the boy and the cat.