Mary-Kate and Moira might as well have some sort of blood oath as they are such sweet friends and cocreators, and it was a true joy to chat with them about why they feel drawn to vampire stories. From strong female blood suckers (Carmilla, Dracula's Daughter) to lamer lady vampire loves (I'm looking at you, Twilight), these two bad asses can't get enough of the exploration of what makes vampires, and in turn humans, tick.