I sometimes have trouble hearing so when I was young I always thought that grill cheese sandwiches were called "girl" cheese sandwiches. Since both girls and boys like them, I didn't understand why they called them that.
A childhood belief about general

others believed things like this
- I used to believe that grilled cheese was called 'girl cheese,' and only girls could eat it.— Paige
- Until I was about 11, I thought it was called a 'Girl Cheese' sandwhich.— Chris
- At the time I thought the moon was made of cheese and with oceans of cheese— 123
- I usde to believe that 'camembert cheese' was actually 'common bear cheese'.— Dan
- I thought that barf was what they used to make peanut butter and jelly sandwiches!— Maan o' War
- I used to believe that my mother invented peanut butter and jelly sandwiches. Anon