I used to think I could decide which sex I wanted to be when I grew up. I figured if the body can grow breasts, why not penises? Imagine my surprise when I found that the decision had already been made.
A childhood belief about rude bits

others believed things like this
- When i was younger i thougth that when you grew up you could decide whether you wanted to be a girl or a boy. Anon
- When I was a kid, I found out about a womans period and I thought that she would bleed through her breasts.— Michael
- I used to think that hot dogs were made from boys' penises.— never eating hot dogs again
- I used to believe that I really COULD be anything I wanted to be when I grew up. I wanted to be a unicorn. Anon
- I used to think that bodily tissues were kleenex sheets that grew in certain parts of your body.Anon
- I used to beleive, that if you swallowed a seed the food would grow in your body.Anon