When I was little I watched a movie with cops interviewing a suspect and saw the one-sided mirrors they used to watch the people in the interrogation room without them knowing. For the longest time after watching that movie I always thought people were behind my mirror watching me , so i would try and hide from it while I changed clothes.
A childhood belief about mirrors

others believed things like this
- I used to believe that the credits at the end of a movie was a list of people in that were watching it.— jon_
- when i was little i believed that when we watched a movie people had to act the movie all over a gen.
— Emmer - I used to believe that EVERYTHING we did was being filmed for someone somewhere to watch as a movie— KatBird_27
- Atomatic toilets had people inside of them watching to see when you are done.Anon
- when i was about 5 or 6 i thought sombody was watching me on t.v like i was watching them. — leigha
- I used to think that a movie is made in realtime. I tought that a 2 hour movie is made in 2 hours.— Alexander