I used to believe that there are 2 steps to have a child. First a couple need to be married. Then they need to kiss each other at a period of time. When the amount of kissing is enough, the baby will bursted in the air and fall into your hands. (Guess I played The Sims too much :D)
A childhood belief about reproduction

others believed things like this
- I used to belive kissing boys made your teeth fall out.Anon
- 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 a child, I used to know that using cheques you could spend an endless amount of money— lollo
- That to make a baby a man (over 21 & under 25) had to kiss a woman (over 19 & under 21).— Johny
- When me and my cousin were little, we believed that kissing someone with tongue is how you got a baby.— cat