I used to believe that that a couple had a baby when they got married. I got pretty confused when someone had two kids....
A childhood belief about reproduction

others believed things like this
- I used to think that when a couple got married and went on their honeymoon, they took a vacation to the moon.— Jen
- I used to think Uncle Ben and Aunt Jemima were a married couple. — l stu electtirc boogaloo
- when I was little I used to think you had to have a baby before you got married!— Supergirl
- I used to think that kids just appeared after people got married... Boy, was I wrong!— Skylla
- When I will little I used to believe that when you got married, you signed a contract to order a baby! LOL— Kriatina
- I thought when you get married you have to fill out a form to get a baby and then you get one.— Danielle