As a boy, I always thought that I wasn't allowed to eat Hershey's bars, since they were obviously intended for girls. It's right there in the name, after all: HER-SHE's bars. And the same went for "girled cheese sandwiches".
A childhood belief about general

others believed things like this
- I used to believe women were not allowed eat yorkie bars
— greg - I used to believe that grilled cheese was called 'girl cheese,' and only girls could eat it.— Paige
- At the time I thought the moon was made of cheese and with oceans of cheese— 123
- THat Cheesecake was actually made of cheese. I was 18 when I found out it wasn't!— R
- I wasn't allowed to cut my nails on a sunday , don't ask me why.— martin
- my dad told me that hershey park was made completely out of chocolateAnon