When I was very young I had a lazy eye, and so suffered from double vision until it was corrected. If I was looking at say a chocolate bar, I'd think that if I concentrated really hard, I'd be able to grab the double and have two!
A childhood belief about eyes

others believed things like this
- Some sport cars have a double exhaust. I wondered why. Why would people want to pollute twice as much?— F*ck the environment?
- I used to believe that the solid double yellow lines on highways were the motorcycle lane.— jeech
- I believed that the gap between the double yellow lines in the road was a special lane for motorcycles.— Joel
- I used to believe if I concentrated hard enough I could move stuff.
*sigh*
— Zog - as a young child i thought poo was brown from eating chocolate and pee was yellow from drinking apple juice!Anon
- Chocolate, they say, rots your teeth. I believed if you drank chocolate milk, your bones would be brown.— Dellio