I really used to believe that I could actually see air. No amount of arguments to the contrary could disuade me and I used to get very fustrated at people because they couldn't see it too.
I have absolutely no idea what I must have been looking at - I've tried since but can't see it anymore.
A childhood belief about special powers

others believed things like this
- I used to believe that Rolf Harris and Timmy Mallet were one and the same... I have absolutely no idea why...— Danny Leonard
- I thought pink wafer biscuits would bite me if I touched them. Absolutely no idea why.Anon
- That everyone had the same amount of skin and that short people were fat and tall people were skinny.Anon
- I used to believe that if I couldn't suck in my gut anymore, my belly would bulge out twice as much.— Secret
- I used to believe that we had a finite amount of skin and that I would eventually run out due to pealing.Anon
- When I was a child, I used to know that using cheques you could spend an endless amount of money— lollo