I have a friend who some years ago had to go through a medical procedure that left his mobility impaired. He can only walk with crutches. (Whether he will ever be able to fully walk without them is unclear.) He is also quite overweight, and as you might guess, it would be a great help to his mobility and ability to walk around and do everyday tasks if he were to lose a significant amount of weight and become fit. All those excess kilograms aren't exactly helping his everyday life. He was absolutely decided on losing weight, and become as fit as his physical condition allows him. He prepared himself with the right knowledge for this. In terms of diet and exercise, what works and what doesn't, what's the right kind of food to eat, and how much. How much is too much, and how much is too little. What kind of exercise and diet program are the most efficient and suitable. He acquired a lot of nutritional knowledge, was absolutely prepared and adamant to become healthy, slim and...