I used to believe that when grow ups would shake their drink from side to side (when it had ice), they were heckling how much ice was in it and they somehow knew without looking how much there was.
A childhood belief about drinks

others believed things like this
- I used to believe that if I chewed on one side of my mouth too much the other side would get jealous.Anon
- My mother told me that if I kept sucking my thumb I would grow another one out the side of the first one.Anon
- i used to believe that everyone had a twin on the other side of the world.— tahnee
- I used 2 think that the scar on my side said "UNUSEABLE" LOL!!!!!!— John In Pennsylvania
- Until I was 23 I used to think the ginger put with sushi was a side of ham.— maari
- I used to believe that if I scratched one side of my body I had to
scratch the other to be "even".— Greg