I visited a family friends farm every primary school holidays and one of their older son's told me that if I jumped in cow paddies I would grow to be really tall. Sorry to say...it didn't work. I'm now 40 and just the average 5"2.
A childhood belief about general

others believed things like this
- I used to believe that they secretly had school on holidays and that I was the only one who didn't know.Anon
- i used to believe that if i didn't work at school, i would have donkey ears, so now i work hard !!!— denis
- I used to think a mustache grew out of your nose hairs. I tried to let mine grow, but it didn't work. — Barry
- When I was at primary school I used to believe you could only marry someone who was the same height as you!— Lucy
- How could Baby Jesus be born on Dec 25th, get tall, grow a beard and then die, all by Easter. Whew!— Joe
- In primary school, a whole bunch of kids including me believed that watermelon seeds contained ants. — Caff