You find yourself in a wilderness survival situation. You’re hungry and tired, so what do you eat? Rabbits. They are easy to trap or kill, so you get one. You’ve got it made, right? Wrong! They may be good for a meal or two, but after that you’ve got problems. Why? A steady diet of lean meat cannot provide all the nutrients needed to survive. Dysentery will set in, and you will grow weaker and become dehydrated. If this isn’t check, you will die. We need fat in order to survive, plain and simple. So, do we forego the lean meats? No, we learn how to acquire fatty foods in the wild.