We could replace 'cock' with a more general term like 'bird'. So it becomes 'can't stop staring at bird story'. It broadens the concept and removes any potential vulgarity.
Maybe the plot or the way it's written is just so compelling that it's hard to look away. It might have unique characters or a twist that keeps the viewer hooked.
Another option is 'There is a story about my ex - girlfriend who was large in size and had an affection for roosters.'
We could say 'A story about a husband's behavior' which is a very general and appropriate way to start. This gets rid of the vulgar part completely and allows for a more positive or at least neutral discussion about a husband - related story.
Another way could be 'The story of being submissive around a standing entity'. This rephrasing focuses on the general idea of submissiveness and a standing thing without using the more controversial words.
We could rewrite it as 'She wanted his story'. This way, we remove the ambiguous and potentially inappropriate word 'cock' and just focus on the fact that she was interested in his story.
We could rewrite it as 'Big event disrupts wife's story'. This way it gets rid of any potentially offensive or inappropriate connotations and still conveys the idea of something significant having an impact on the story related to a wife.
We can make it a story about a young artist. He might be really advanced for his age in terms of his creativity. His ideas are so big and bold that we could metaphorically say he has a'monster cock' in the sense that his creative output is far beyond what's expected for his age. For example, he creates large and complex sculptures when other kids his age are still drawing simple pictures.
We could rewrite it as 'Girl pleads with guy to do an unappealing task story'.
Another option is 'In a CBT story, no excessive dominance is allowed'. This rewrite keeps the focus on the CBT aspect and clearly states that there should be no extreme form of dominance in the story, which was what the original phrase was trying to imply in a rather unclear and inappropriate way.
We could rewrite it as 'The Story of a Rock - Hard Object and Its Transformation'. This way, we remove any potential inappropriate connotations and make it more straightforward and easy to understand.