And against her better instincts–Quen hated being babied, Cy shouldn't box her in, she shouldn't underestimate the other girl, but–Cy felt that familiar little surge of protective goodwill nonetheless, and of almost sororal concern. She bit her lip. "Just don't overdo it, yeah? Join battles, sure, but don't run out and heave yourself into every last one just for the sake of being in a battle. You've got to take it at a decent rate and pace yourself. It's just like..."
Cy struggled to find the right metaphor, before finally settling on: "Running a marathon. You can't go straight from a sedentary lifestyle to running the marathon. You'll pull a muscle. Or, in the case of our line of work: die."