When I was a kid some boy told me that if you threw a towel over your dog and talked to it, he'll repeat your words. Needless to say I found out the hard way what he told me wasn't really true.
A childhood belief about cats and dogs

others believed things like this
- I used to think that if you ate cat food you would die. I found out it wasn't true
— Bob#4 - I used to believe that the more you talked, the sooner you would die. Needless to say, I was a quiet kid.— Lisa
- I used to believe that if I threw up too hard my brain would explode.— Tammy
- When I was a child my Grandma told me if I threw food on the fire I was feeding the devil— Anthony P.
- When I was a kid I found it hard to say "Sebastian". I always pronounced it "Sebastican". — Dave, Lancashire
- I used to believe that a vitamin was a small animal
only recently I have found out that it is not true... :)— Sylwia