When I was you younger, I used to believe men had their menstruation.
A childhood belief about general

others believed things like this
- My 6 years younger sister used to tell me that I was younger than her. She was just growing backwards.— Taryn
- when i was younger i use to think you would say hillo instead of hello and hi. to this day i say it sometimes.— carly
- when I was younger, I used to think jet-ski,s ran on water. Anon
- i used to believe that some day i'll catch up with my brother and never have to be the younger one again!!!!— rhea
- When I was younger I used to think I was raised by Ewoks.— Travis
- I used to think the Grinch was going to pop out of my toilet when i was younger.— Jamal