I used to believe that the adult age begins at age 20, after I learned the law at age 14.
A childhood belief about getting older

others believed things like this
- that when I grew to be an adult my parents would be children.— Rainbow
- when I was about six I remember asking an Adult what Mary did before she was a statue....Anon
- When I was a child, I thought that grown-ups were adult.— Gloria
- I used to think you had to be an adult to drink household chemicalsAnon
- I used to believe that killer bees would take over the world by the time I was an adult.— Kristy O.
- My brother thought that one adult was a dult and that one alert was a lert.Anon