My sister is two years younger than me. When I was little, I was convinced that I'm gonna catch up when I grow older.
Glad it didn't happen ;-)
A childhood belief about general

others believed things like this
- i used to think that if i didn't celebrate my birthday each year my younger sister would catch up with me— q
- My sister ate fish food one day and she was convinced that she was going to grow scales— leohauoli
- i thought that when it was your birthday you grow and then you didn't grow until a years time.— hello
- My older sister had me convinced that noodles grew on trees, but that rice was man-made...— Trusting little brother
- My 6 years younger sister used to tell me that I was younger than her. She was just growing backwards.— Taryn
- My brother that is 6 years younger than me used to believe that in seven years he would be older than me.Anon