I used to believe after a woman had a baby her stomach would be like a rubber band, it would stretch out than after the baby go back to normal.
A childhood belief about belly buttons

others believed things like this
- on "highway to hell" i always thought it goes "baby see, baby do" instead of "hey satan, payin´ my dues"— Miss Understood
- That because Gerber Baby Food had a baby on it real babies were put in there. Thanks a lot cousin!— Nicole
- I used to believe that a baby shower was a tiny bathtub with a showerhead just for the baby.— Amy
- I used to think that someone's birthday was when they could go back to being a baby for the day.Anon
- I thought baby back ribs were from actual babiesAnon
- I used to think the Back Street Boys were black. I also thought Seal was a boy band. — Tufty