I used to believe that if you had a baby at 19, you were HORRIBLE, because thats "teen pregnancy." But if you had a child at 20, it was perfectly OK.
A childhood belief about reproduction

others believed things like this
- in kindergarden i beleived that to be a teenager your name had to end with teen— eric
- i used to think that PMS stood for "pregnancy morning sickness".— confused little girl
- When I was a child my mom told me that when it rained it was because the baby Jesus was crying.— Tatiana
- I used to believe that if the tyres were removed from a car, it would work perfectly on a railway track.— Anonymous Whistleblower
- I thought there was a disease "Bigpox" that was like Smallpox only more horrible..— Xenomorph
- I thought that "heck" was a less horrible version of hell for people who were only KIND OF evil.— Oizys