Caylie took a smaller piece of the bar for herself and chewed it slowly, carefully, both to make sure she didn't choke and to trick herself into thinking she was eating more than she was. The rations she had would be gone sooner than they'd like, especially feeding Cal; she needed a lot less fuel than him, but she was hungry all the same.
"I can try dusting the place again. Slow it down, maybe, let us get ahead of the changes. Or it might be easier to dust us.. let us go faster and avoid them." She didn't sound like she thought that would actually work. And without any food or water, using her powers on longshot schemes would just make her weaker faster. At least the Morlocks had brought them things to eat and drink - disgusting things, but it was still something.