I used to be sure I could fly, and even experienced it a couple of times. In public it was a kind of glide with my feet stationary a couple of inches above the floor.
In private I'm sure it was as someone else mentioned more like swimming. In fact I'm pretty sure I had to hold my breath to do it.
A childhood belief about special powers

others believed things like this
- If you hold your breath and make a wish under a highway tunnel it will come true....I still hold my breath :)— aj
- that the word "couple" as in "a couple of items" was synonymous with "several", rather than "just two".— Blair A. Petterson
- When I was a kid, I wondered why they called it "public hair" when it was so private.Anon
- when i was a little kid. i used to think that when u hold ur breath ur heart stops.. LOL :P — Annonymus
- I still hold my breath when I pass by cemetaries because it is impolite to breathe when other people can't.— Crystal
- I used to think the olden days came once every couple of yearsAnon