"There won't be time for maybes," she coaches softly, because this is a lesson Anna needs to learn. It's the first lesson Rose has, because it's the most important one. "When it comes down to it you often only have seconds. No time for hesitating, you have to act or you, or a loved one is dead."

Rose shifts, letting her arms swing to her sides before repeating the move in the opposite way. She's still thinking on what else to teach, watching Anna closely to see how she moves, and what will be best.