“Guys,” I began, “about the train—” “Just because we can breathe underwater doesn’t mean we have to talk, Crisa,” Blue said, cutting me off. Ouch. “Look, I know you’re mad, but I don’t really think—” “You mean you didn’t really think,” Blue interrupted a second time. All right, not cool. I felt my pride begin to overshadow my good intentions, and my mouth opened before my brain could stop it. “Hey, I’m not the one who left the engine room defenseless because of some baseless urge to come to my rescue,” I retorted. “We’re not the ones who came up with a plan that put ourselves in a risky position where we would inevitably need defending,” Blue shot back. She huffed indignantly—her wavy hair swishing around her like a clump of seaweed. “Crisa, keeping stuff to yourself and pushing us

