A yearning to escape. A lust for forbidden love. A passion for romance. All of these regular-people desires could explain why fictitious vampires exude a certain sex appeal. Considering the hysteria for Twilight, the undead clearly have something going on.A while back, one writer guessed that vampires have overwhelmed pop culture thanks to a female desire for gay men. Confused? The writer explained that wanting to turn an unattainable vampire into your boyfriend is the same as wanting to turn a gay man straight. Well, I guess that's one theory. How would you explain the fascination with Edward Cullen, or any vamp for that matter?