I used to think that when a couple got married and went on their honeymoon, they took a vacation to the moon.
A childhood belief about marriage

others believed things like this
- I thought that you actually went to the moon on your honeymoon. — Moonwalker
- When I was little I thought that a honeymoon was when the Husband and wife went to the moon and eat honey.— AmAnDa
- I used to think Uncle Ben and Aunt Jemima were a married couple. — l stu electtirc boogaloo
- i used to think that the moon would follow you in the car, also that it looked like a half moon.— natalie k
- I used to believe that Moon is the kid of Sun, because it has less light and Moon smiles with kids. — Syed Arbab Ahmed
- that the word "couple" as in "a couple of items" was synonymous with "several", rather than "just two".— Blair A. Petterson