When I was younger, I would hear people say a baby was 18 months old. That left me infinitely confused about how long the first year of life was.
A childhood belief about birthdays

others believed things like this
- I used to think that if you left the taps on for too long the sea would run out.— fletch
- I used to think that life was all a dream and one day i would wake up like a 75 year old woman.( who knows?)— 8 with wrinkles
- When I was younger, I used to believe if i covered my ears before I farted no one else would hear it.— Lime
- I used to think for a very long time, that spam was left over animal parts with salt.— Ebony
- I thought if I left the door open too long, a dog would come from the cupboard in the washroom and eat me
Anon - I used to believe that if you left crumbs out for a long period of time, they would turn into ants.— Bylaberrie