This book is about how you treat clients, there are two kinds of clients: there are clients that come which I basically think of repair cases, there is something wrong and they want to fix it and there are those kind of clients that want to be optimized, they are good at what they do, but they want to be ever so much better, they want to broaden their horizons, so to speak; we have athletes that come in, baseball pitchers who want to be able to throw...