It could be that you haven't shared it in the right places or with the right people. Sometimes, the audience matters. Also, if the story is hard to understand or doesn't have a clear message, people might not be inclined to pass it on.
It could be because of the content. If your story contains offensive or inappropriate material, people won't share it. So, review your story carefully to make sure it adheres to general moral and ethical standards.
It could be that you haven't presented it in an engaging way or haven't reached the right audience. Maybe the story is too complex or hard to understand.
Perhaps there's a lack of clear sharing options or your stories are too niche and don't have wide appeal. Another possibility is that people just haven't discovered the value in sharing them yet.
Well, if people can't share your story, you could first consider why that is. Maybe it's too personal or complex. You can try to simplify it. Then, you could find a more appropriate platform or audience. For example, if it's a story about a very niche hobby, look for groups or communities dedicated to that hobby.