'The Next Step' nfic by Sue S has a scene like this
Ahhhhhhh! Yes! Fantastic. Thank you.
I ‘write’ scenes in my head while I’m working and then run home and type them up. A scene completely unrelated to any fic I’m currently writing took over my thoughts this weekend and I had a horrible feeling I’d read something similar before. I wanted to find that moment to figure out if I was writing a memory of another story, or coming up with something different.
