When I was a child I used to believe that only men would do the number two. I just couldn't imagine my mother doing that, so she and all women could only pee.
A childhood belief about weeing and pooing

others believed things like this
- At a young age I couldn't imagine how people without glasses could marry the ones wearing them. — Ana
- when i was little i believed that your social security number was the number you were born on the earth — christine
- When I was a year old, I believed if I hid my face, my mother couldn't see me because I couldn't see her.— kimberly dianne(:
- I used to believe there was a number "eleventeen". I could never quite work out where it went, though.— Matthew
- I used to think boys went "number two" with their pee pees. Anon
- I used to believe that twenty was the largest number in the universe.— Bernardo Fernandez