My dad used to lay tile. He joked that he would make it to the Olympics and compete in tile-laying, and I thought there really was such an event in the Olympics.
A childhood belief about sport

others believed things like this
- I used to think everyone competed in the olympics.— jo
- When I was younger, I used to belive, that tile joints were a smoking drugs...— Anaëlle
- I thought Pink's "You make me sick" was "you make me sick, you make me look like a candlestick" LOL— Rice
- When I was younger I asked my parents:
"If bees make honey, do flys make marmalade?"— Mike - I used to believe that the saying "2 wrongs don't make a right" was "2 wongs don't make a white"Anon
- When I was little, I thought you had to put a finger under the water to make it hot. — M_2