When I was a kid, I thought that when I became an adult I would be able to fly. I really looked forward to it and am still disappointed that it turned out to be untrue.
A childhood belief about getting older

others believed things like this
- I used to believe that the exhaust fumes coming from a car were actually what pushed it forward like a rocket — rocket car
- i believed that little men sat in the back of vending machines and pushed the sweets forward.— rachael
- When I was a child, I thought that grown-ups were adult.— Gloria
- My brother thought that one adult was a dult and that one alert was a lert.Anon
- I thought adultery was when you acted too much like an adult as a kid and wondered whats so bad about that?— Butch McFear
- I always thought there was a drinking age for coffee, because it was an adult drink like beer and wine.Anon