I was a rather paranoid kid and remember convincing myself when I was quite young that my cat, Flower, was a robot and was in fact spying on me. I even tried (very gently) to pull her head off to prove it!
A childhood belief about cats and dogs

others believed things like this
- i could swear eleventeen was a number for the longest time -- it still sounds pretty convincing.— erin
- i used to believe that a perrenial was a particular flower's name— Ducki
- When I was little I thought that a "wallflower" was a kind of flower that grew on walls.— A. Nonny-Muss
- I heard a mother in the street tell her young son not to pick his nose...because his head would cave in. — Ruby
- I used to believe that drinking vinegar would turn you into a robot.Anon
- When I was a kid I always thought that a water tower was the robot from the TV show "Lost in Space".— sherryj