You already know that caffeine is making you suffer. That’s why you bought the book. Caffeine is doing plenty TO you. What may well be news to you is that it is doing nothing FOR you. It doesn’t help you relax or concentrate, it doesn’t inspire you, it doesn’t even give you real energy. What it does do, is put you in the state of body and mind that you would be in if a man-eating tiger suddenly appeared in the room.