I used to think that I was the only person in the world that could yawn. So one day in kindergarten I yawned and said to the kid next to me, "don't worry I'm not going to eat you, that's my superpower". Why I thought that was a superpower though is beyond me.
A childhood belief about special powers

others believed things like this
- i used to believe that if you burped and yawned at the same time your eyes would pop out— kelso
- I used to believe that if I stood at the top of the stairs, closed my eyes and yawned, I flew down them— Sam
- I thought I was the only person in the world who didn't like ice cream— Bootlebat
- I used to believe that I was the only person in the world who wanted to be the other sex.— Susan Davis
- I used to believe the oldest person in the world was 214. — Imaginative_Kidd
- When I was about 7 I used to believe that I was the only person in the world that could blink.— xoxo