I used to think the "merital act" was a complex ritual that couples in lab coats did to get babies. I wasn't entirely off, since my idea of it was based on textbooks, and a Catholic documentary about embryonic stem cells.
A childhood belief about getting pregnant

others believed things like this
- I grew up Jewish. Until I was about 10, I believed that everyone who wasn't Jewish was Catholic.— Philm35
- I used to think True Crime was a documentary TV show and not a genreAnon
- My brother used to tell me if I picked my nose I would become more stupid because bogey were brain cellsAnon
- I Use to that all couples got married twice to renew the marriage
— Lucas Jr fique Marti d - I used to think that when a movie was 'based on a true story' it was happening for real then and there— Tom
- i used to think that "the king and i" was a musical based around the life of priscilla presley— erin