80 percent of a friend's savings account. you'd be excited, right? if you then found out that your friend has only $100 in the bank, you might be disappointed. on the other hand, suppose you received a gift of 1 percent of a friend's savings account. you'd hardly be impressed. however, if you found out a million dollars are stored in the account, you'd be thrilled with your cut of $10,000! the same logic applies to your body. if most of your calories come from fat and you only burn a small number of them, you won't get anywhere in terms of fitness. to shore up your defenses against the 