I thought the expression "so funny I forgot to laugh" was literal instead of sarcastic
A childhood belief about speaking

others believed things like this
- I forgot the expression "not cricket", so I said, "not tennis" instead.Anon
- I used to believe the Wall Street Crash of 1929 was a literal car crashing into a bank.Anon
- I used to think that the expression "The former or the latter?" was actually "The farmer or the ladder?" — Fitzwilliam
- My friend told me she had invented the expression 'Gordon Bennett' and I believed her!— SueE
- When i was little i thought that people could laugh in different languages— Lauren
- When I was little I used to think that Phoenix palm trees were pineapples that some one forgot to pickAnon