I used to believe that starfish have two arms and two legs and that the other branch is the head. I blame Spongebob.
A childhood belief about general

others believed things like this
- I used to beleive that all pains were headaches. So for example, I had headaches in my stomach, legs and arms.— James
- I used to think that Spongebob took place on LAND.— Eeveelover8632
- i used to believe i was spongebob squarepants in a previous life.— former sponge
- When i was a kid, i thought that nematodes would eat our house like in one episode of SpongeBobAnon
- I thought Spongebob Squarepants was a piece of Swiss cheese.— Melanie
- I used to believe that Haggis grew on trees, cause my dad tied one to a branch in the garden— Lynne