I thought the line "always look at the bright side of life" was supposed to be "always look at the right side of fly". My mother language is not english so i didn't see the grammar being wrong and always wondered why you should look at the right side of flies and not the left.
A childhood belief about misheard lyrics

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 "pork chops" were called "port chops", and came from the left side of the pig.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