I used to believe that at night when I was asleep all my furniture including my bed was replaced with identical copies by the fairies. I started putting a cross in pen on my bed to fool them. They obviously sussed it though because they always copied that too.
A childhood belief about fairies

others believed things like this
- I used to believe nude furniture was ,furniture with pictures of naked people on them.— Bethany Mote
- Boogers came from magical booger fairies that mined them over night and put them in your nose in the morning.— Vivian
- I used to believe that the maps for the United States and Texas were identical.— JTexas
- I used to believe the sound of a flushing toilet was nearly identical to the 90210 theme. — Laurenne
- when I saw a sign with a deer on it I always thought deer had to cross the street by it. like a cross walk— only me
- I believed that the pictures on my nighties came alive at night and played in my room while i was asleep!!Anon