I'm 14, and up until this year I thought that at Christmas time when they said "trimming the tree" they actually meant trimming the tree with shears to make the branches more even or something. I wondered why they sang about that in songs...
A childhood belief about around the house

others believed things like this
- I used to think that the tree branches moving was making the wind, not the wind making the tree branches move.— Jenny
- I used to think that partridge in a pear tree was "cartridge" in a pear tree(christmas song)— Erica
- When I was five, I believed God was big as a tree, a tree being the biggest thing I could convieve of.
— Chris - I used to believe that the Doller Tree store was an actual tree.Anon
- I was told that for every christmas carol i sang before christmas time santa would give me one less present!— K
- I thought that if I swallowed grapestones, a tree would grow out from my stomach. — Tone