Have I messed up my metabolism? Am I in starvation mode? I know I should eat more, but won't I gain weight if I increase calories? How long does it take to restore a “damaged" metabolism back to a revving metabolism? Am I stuck at a plateau and if so how do I break it? At my age, is there no hope for my metabolism? If you've ever asked yourself questions like these, there is an important book you will want to read - Starve Mode.