Beth sighs. Fine, they'll assume he's never even heard of walkers (the biters, the rotters, the dead, whatever the rest of the universe calls them). Maybe it's some kind of secret, the way an entire spiderweb of planets beyond Earth apparently was to her.

"At home, when somebody dies, we have to stab 'em in the head." She has no idea how many times she's going to have to go over this. She hopes it's not a lot. "Once your brain's broken, you're really dead. If it isn't, your body keeps going without you."