I thought the Roxette song went "I'm wanna get dressed - for some sex" instead of "I'm gonna get dressed, for success"
Getting dressed for sex defeats the purpose, but I went on believing it for many a year.
A childhood belief about misheard lyrics

others believed things like this
- When I was little *I thought that if I dressed in all white I would become invisible.Sadly,I wasn't.XP— Kiki
- i thought that if i dressed in my holly hobby doll's clothes, no one would be able to find me.— pikl
- when i was a little girl i thought God looked like my grandma and dressed like the statue of liberty. Anon
- i used to believe that the people on TV could see me. i never watched tv without getting dressed first!— Katy
- When I was a kid I used to believe that cartoons were people dressed up in special costumes.— Sarah-Jane
- I used to believe that teachers lived in ufos at night and tha's why they dressed so weird.— llama queen