He rocks back and forth a little, the only betrayal of excitement at getting some clean water. Clean! “How clean? No dust? Just a few bugs?” That'll do for him.

“No. I can't read. Why would I need to?” Esther's so annoying. He glares for a moment, before realising he's actually a little embarrassed. He doesn't like feeling stupid and averts his gaze, staring at his knees.

“Burger and fries,” Zack repeats mechanically. “Is it meat? I like meat.”