Mermaid

I woke up from a dream where I had a genetic mutation that made me have a mermaid tail instead of legs. In the dream my brother and sister were also mer-people, although it had nothing to do with being in the water.

But I dreamed it so intensely and vividly that about an hour after I woke up, I was puzzling over why my conviction that I had a tail didn't fit in anywhere with my other childhood memories or photos of me as a child, and I kept on touching my legs to see that, yes they were legs, not a tail.

Then the hour after that, I spent the time thinking about how I could turn this into a story.