The fact that he can talk pretty much flies in the face of everything she knows about the undead. That's not how it works where she's from, and it's curiosity more than anything that has her moving closer so she can crouch down and pick up the lighter for him. Since he seems to be having trouble with that. It looks just like an ordinary lighter to her, but maybe it's special to him somehow. A relic from back before he was a zombie, maybe.

She contemplates how to give it back to him for a moment, because it sort of looks like he's frozen in place now. Finally, Beth decides to gingerly tuck it into his hoodie pocket for him, back from where it had fallen from.

"You're different from the others. You've gotta be, because I've never heard any of them talk before," it's an unexpected sign of humanity. "...I'm Beth. You got a name?"