"How creepy is creepy on a scale of one to ten?"

That's probably not the response he was expecting, but Eva's own body language is relaxed and at ease. "I can see you." That it might be because of the train doesn't truly cross her mind. "Anyway, I've seen aniivores eat before back home, so chances are it wouldn't creep me out too much."

Just make her squirm a bit and remind her of her own mortality. But isn't that part for the course with all aniivores?