I knew that my mother and father were little once, but I believed that grew to the age of adults in a couple of days. I reasoned that grandparents grew even faster.
A childhood belief about getting older

others believed things like this
- I used to believe when adults grew up only 4' 9" or lower are still classified as kids.— Jorge
- Hasn't everyone, at some point or another, believed that pickles grew on trees? I sure did.— Matt c.
- I used to think the olden days came once every couple of yearsAnon
- I grew up Jewish. Until I was about 10, I believed that everyone who wasn't Jewish was Catholic.— Philm35
- i didn't beleive this, but a kid my sister knew thought if he screamed in a really high voice, he ran faster.Anon
- When I was little I believed that when I put lipstick on my lips, the lips grew.— Alba Águila Castelló