She understood now why so many members of her kind died so young. It was possible to squeeze an entire lifetime of living into a single day: to live more, to more, in the span of twenty-four hours than most did in eighty years. Shape-shifters lived in a world of color and brightness, of heightened senses. They felt everything more intensely, and so they lived their lives more intensely—anything to make their hearts pound harder. Life could be like a drug. But how does one wean oneself off life?