Kenzi had the urge to metaphorically crack his skull open to figure out how the dude worked, because it sounded like he was literally reading something off a Wikipedia page. No beat skipped, no hesitation or uncertainty. Clearly he knew his shit. Marrowood could use another genius around anyway, because why the hell not? She knew there were mad scientist twins that had a lab around these parts, but someone else to provide smarty-pants insight wouldn't hurt.
But thanks, Doc, you legitimately eased her concern about somehow getting rabies around these parts. Instead they were likely to get Ebola. Or some zombie-like flesh-eating disease, because that's sure as hell exactly what they would need after their recent torture session.
Now it was her turn to put a hand on the back of her head, his question like a loaded gun. "They're a race of...supernatural creatures. They look human, for the most part. And they always feed on humans in some way - sexual energy, emotions...whatever. My bestie was a succubus. So there was always a lot of sex going on at our place. A lot of threesomes. One time I walked into a fivesome, but I think after four it becomes an orgy..." Whoa now, okay, time to put the brakes on Bo's extensive sleeping list. "Anyway, theres's a bunch of different ones. We had a werewolf dude, a valkyrie, and my fiance was a siren, actually. They've got their own laws and most of them hate humans, soooo, to hang around these guys, I had to be a 'claimed' human. Meaning in fae eyes, I'm my bestie's human slave girl. Which I'm technically not, but it keeps me from getting killed, so..."