"Hello." She considers him for a moment, and then waves him closer. "Lean down. I have to ask you something." And her sister said that it is rude to ask people why they are skeletons in public, and also dangerous. Definitely not something that you should do.

So she won't. Whispering into someone's ears... or where the ear should be, anyway - that totally isn't public, right? She's very responsible.