When i was younger my mother would often take me on trips with her to the grocery store. Sometimes while shopping i'd see the words "Fat Free" on a package. I'd always earnestly encourage my mom to buy the product because i that "Fat Free" meant that you got fat free of charge.
A childhood belief about going shopping

others believed things like this
- When I first heard Matt Monro's song "Born Free," I thought he was singing "Porn Free."Anon
- When i was a tiny lad, I used to think drug free zones were places where you can get drugs for free— Spencer
- I used to believe that priceless meant free.— Neo
- I used to think that "priceless" meant free.— DAAA
- I thought if food said it was fat free it meant you could eat as much as you want without getting fat!— Brainhead
- I used to believe that "gluten free" meant you could eat as much as you wanted without getting full or fat— Jess