I used to believe Monty Hall was a place instead of a man. Let's Make A Deal was before my time and I only knew Monty's name from the Monty Hall problem. I thought "Monty Hall" was the building where the game show took place.
When i first heard someone whistling, i thought it was because they had a flute stuck in their throat!
I was born at a hospital named after its founder, who had the same last name as me (not related), so I used to believe there was a hospital for each family name.
The first time I heard Marco Rubio's name I thought it was Mark O'Rubio
When I was younger I thought Leonardo Di Caprio and Leonardo Da Vinci were the same person
When I was younger, my cousin used to try to convince me that I was adopted and I sometimes believed it."
I thought that you could get arrested if you went in the handicap restroom if you weren't handicapped
I used to think that a con artist was someone who was really good at making complicated art.
I used to think Kanye West was actually Conway-West and that it was some sort of southern truck company, founded of course by Mr. Conway and Mr. West,
I used to believe if i told lies my nose grow like Pinnochio