I used to think that "making love" meant doing whatever with a cute nightie on and "having sex" was the same thing only you were completely naked.
A childhood belief about sex

others believed things like this
- I thought making love meant making someone fall in love with you!— Brainhead
- I used to believe jaywalking meant walking around naked in public (from naked as a JAY bird...)— Izzi
- When I was younger I didn't know wut the difference was between making out and making love...— tyna
- i used to believe that sex meant love and that having sex meant the two people would live happily ever after.— amy
- I used to believe that showing my bare arms meant that I was naked, so I never wore short sleeves as a kid. Anon
- I thought that pornography just meant pictures of naked people. For example a photoshoot on a nudist beachAnon