Vampires make people horny . We're not making a blanket statement here, but it's a pretty undeniable fact. For hundreds of years, humans have eagerly consumed media regarding the scary and sensual bloodsuckers. And while we can't claim to be experts in the field of vampire content , it sure does seem like the world's been extra interested in the raunchier side of these undead creatures. Over the last 20 years, starting with Underworld , the spooky subjects of European folklore have been thrivin…