When I was at primary school I thought you had to be at least 18 to swear.
A childhood belief about swearing

others believed things like this
- When I was at primary school I used to believe you could only marry someone who was the same height as you!— Lucy
- In primary school, a whole bunch of kids including me believed that watermelon seeds contained ants. — Caff
- I thought there were some swear words so bad if you said them you would go to jail!— Mexicrat
- I used to believe that swearing was just saying, “I swear!”Anon
- I used to believe that bizarre was a swear word.Anon
- I used to believe that “shut up” was a swear word.Anon