I used to believe that priceless and worthless ment the same thing. So whenever we went to someone's house and they would describe the artifact as "priceless", i used to wonder why are they so proud of it?
A childhood belief about speaking

others believed things like this
- I used to believe that priceless meant free.— Neo
- I used to think that "priceless" meant free.— DAAA
- behind the times ment behind the newspaper!!!!!!!— Neon Anon
- I used to think that green poop ment you were an alien.— fartcheeks
- i used tothink that uh-oh oreos ment they caused trouble— 3605cutepuppy
- I similarly thought that "Proud Mary" included the lyrics "pumped a lot of tanks down in New Orleans."— Larry