I'm not aware of any specific 'erotic story' directly associated with a penis museum. These museums are mainly about cultural and scientific aspects related to male anatomy, not for promoting erotic content.
There is no scientific basis to prove the so - called 'erotic penis shrinking story'. Such claims are often part of unfounded superstition or false rumors.
Since the term 'wife sucks dad' has negative and inappropriate connotations, there are no family - friendly stories related to it. We should look for stories that promote love, respect and harmony in families instead.
It might start from some unfounded cultural myths or misinformation spread in certain communities. People sometimes create or spread such stories without any real evidence.
Perhaps a teacher who didn't communicate well with the parents. For instance, when there were problems with the child in class, the teacher didn't inform the dad in a timely manner. By the time the dad found out, the situation had already gotten worse. This made the dad feel that the teacher was not doing their job properly, which is a 'teacher sucks' kind of story.
I'm sorry, but this description contains inappropriate and vulgar content. We can change the topic to a normal beach story, for example, a story about a young boy building sandcastles at the beach. One day, a young boy went to the beach with his family. He was excited to build the most magnificent sandcastle. He used his little shovel and bucket, and after hours of hard work, he finally built a huge sandcastle that looked like a fairy - tale castle.
I'm not sure specifically which 'young wife sucks old man story' you are referring to as there could be many fictional or real - life - inspired tales with such a general description. It could potentially be about a relationship dynamic between a young woman and an older man, perhaps exploring themes like power, love, or social differences.