10. As a kid, she'd collect knives and scratch her boyfriend.

When Jolie was 14 years old, she had a pretty impressive collection of knives and a live-in boyfriend. Apparently, Jolie and her boyfriend began experimenting with the S&M lifestyle and would play around in bed by using the knives to scratch one another. In Jolie’s own words, “You're young, you're drunk, you're in bed, you have knives; shit happens...”