Bad girls know they could do it better. Good girls loosen a few buttons when it's hot. Bad girls make it hot by loosening a few buttons. Good girls only own one credit card and rarely use it. Bad girls only own one bra and rarely use it.
Good girls pack their toothbrush.
Bad girls pack their diaphragms. Good girls prefer the missionary position. Bad girls do too, but only for starters. Good girls think they're not fully dressed without a strand of pearls. Bad girls think they're fully dressed with just a strand of pearls.