It's exciting and it's thrilling and it's not particularly threatening, because they're not overtly sexual. A lot of the physical side of it is conveyed in things like the vampire will touch her forearm or run a hand over skin, and she just flushes all hot and cold. And for girls, that's a shorthand for all the feelings that they're not ready to deal with yet.
Stephen KingLate last night and the night before, tommyknockers, tommyknockers knocking on my door. I wanna go out, don't know if I can 'cuz I'm so afraid of the tommyknocker man.
Stephen King