When I was a kid I used to think that 16 was old. Why? Because grown ups didn't want to play the way I did and neither did 16 year olds. Grown ups were old, so it seemed like anyone who didn't want to play with toys and have fun was old. None of my 16 year old babysitters wanted to play with toys.
A childhood belief about getting older

others believed things like this
- I used to believe that my toys would wake up when I went to sleep, and would play by themselves.Anon
- I still belive that when a I sleep, my toys would have a party and play with each other until dawn.— Meah
- I used to believe toys came alive at night.
Because I love toys, and I hoped be good friend with my toys.Anon - I used to think 9 year olds were really old.— Danielle
- When I was a child, I believed that grown-ups didn't lie.Anon
- I used to believe that grown-ups were born "grown up" and that I would stay a little kid forever.— Still A Kid