I used to believe that when I grew-up I was going to be a purple unicorn. Then I found out that wasn't possible, and I was pretty upset.
A childhood belief about getting older

others believed things like this
- I used to believe that I really COULD be anything I wanted to be when I grew up. I wanted to be a unicorn. Anon
- I grew up in Hawaii, and was pretty sure that our country, the United States, was the fiftieth stateAnon
- I used to think that unicorn existed and that they do rainbow poop. — Janira duran
- When i was little my older brother said rocks grew in your poop, so i went digging and never found anyAnon
- I used to think that if you ate cat food you would die. I found out it wasn't true
— Bob#4 - THat Cheesecake was actually made of cheese. I was 18 when I found out it wasn't!— R