In a home video of me when I was three, I sang the "We Wish You a Merry Christmas" lyrics as "Good tidings we bring, to you and your kid." Until my mom corrected me, I never even knew the word "kin" existed.
A childhood belief about hymns

others believed things like this
- I was told that for every christmas carol i sang before christmas time santa would give me one less present!— K
- I didn't know Reindeer existed, I thought they were just christmas animals for storiesAnon
- I used to think that my mom had to buy ice cubes from the store and bring them home to fill up the trays.— Shawna
- Maryland was actually a huge amusement park, i.e. Merry-Land, like Disneyland. — Julianne
- Billy Squire sang about "My Kind of Lover". My wife sang about "My Candelabra"— Wailerman
- I thought if you point the video camera at the TV then both the video camera and the TV will explode.
Anon