This kind of statement involves vulgar and inappropriate sexual content, which is not acceptable in civilized society. We should focus on positive, respectful and ethical topics.
Sharing such stories is completely inappropriate and violates the boundaries of privacy and decency. Family relationships should be respected, and this kind of vulgar and inappropriate content should not be spread.
This is an inappropriate and unethical situation. You should firmly discourage her from this idea as it involves creating and promoting pornographic or inappropriate content. Encourage her to engage in positive, legal and moral creative pursuits such as art, writing positive stories or volunteering in the community.
You can start from your own memories of when you first met and the early days of your relationship. Recall the moments of attraction, like the first time you held hands or the first kiss. Build a story around those emotions and experiences.
If by 'cock' you mean rooster stories, you could try looking in children's books about farms. They often have cute tales about roosters and their daily activities on the farm.
Sharing such stories is inappropriate and goes against good moral and ethical standards. We should focus on positive, family - friendly and respectful topics.
This is a very concerning situation. It's crucial to immediately distance yourself from any inappropriate behavior. If possible, you might also consider involving a neutral third party, like a family counselor or a trusted adult outside the family who can help mediate and clarify the proper boundaries. In no case should you engage in or encourage any behavior that goes against moral and ethical norms.