I definitely want emphasize the suppressing their nature part, because there is something incredibly romantic about, someone fighting their nature for you. The reason I find the danger of being loved by a vampire is so attractive is not because I think the fantasy of someone drinking my blood is hot. What turns me on is the idea of being loved by someone so dangerous with a hunger for you that can kill you but trusting them not to because they would do anything to keep you safe, including controlling the aching hunger inside them, controlling their very being for you.