A diet does not mean that you have to swallow everything that is good from your mouth. Because if you want to lose a few pounds, if you want your exercise to pay off and still have an active social life, it's good to start realizing that the calories you eat count, after all. Shawn M Talbott, a nutritionist and biochemist, is one of many experts who believes that weight loss is 75 percent diet and 25 percent exercise. So what kind of food can we afford when eating out? PS: The tips may surprise you.