I used to believe that seasuits were little suits for sea horses. I discovered this was untrue when I went snorkeling. I asked my mom why they didn't have their suits on and she said they never had any.
A childhood belief about general

others believed things like this
- I thought bathing suits were called "baby suits".— Katie
- I used to believe that people that are mascots or in big animal suits were serial killers— Amanda
- I used to think that ponies were young horses. I was embarrasingly old when I discovered the truth.— Al's view of the world
- When I was ten, I used to believe that the horses didn't sleep.— Jared
- When I was little I thought cows married horses, cows were all female and horses were all male. — Sheila
- I used to believe that horseradish
was made from horses.— Dee