I thought I used to be big. I'd say "When I used to be big I could tie my shoes." or "When I used to be big I could read." I really believed it in my head. Just a small attempt at control from a small child.
A childhood belief about getting older

others believed things like this
- As a small child I believed that the word was "nakeup", finally I found out that it was actually "makeup".— Hannnah P.
- When I was small, my brother would bug me and say that if my hand was bigger than my head, I had a tumor.Anon
- when i was small my brother always told me that if you picked your nose your head would cave in— Eric
- As a small child I always confused someone being unconcious with someone being dead.— Rick
- I believed that the inside of a tomato was a small, living creature and I flatly refused to eat that bit.Anon
- When I was a child I used to be afraid of clowns because they used to have very big shoes— LIZA