I used to think that minutes were calculated by counting to that number a certain amount of times. So 5 minutes meant you had to count to 5, five times.
A childhood belief about general

others believed things like this
- I used to think that "One, two, three times a lady"
was: "one, two, three times related"Anon - When I was little I thought you could get arrested if you accidentally skipped a number while counting.— Hailey
- I used to believe that I would be paralysed if I sat on the floor for more than 20 minutes— bittergrass
- If you eat 30 minutes before swimming, you will sink.Anon
- I used to believe that Andy Rooney, of 60 minutes, was my real father!— KM
- i used to think that you would die if you didn't wait 30 minutes to go into the pool after eating. (^^)— cady