According to recent research, the average person makes 200 decisions every day that will influence his or her weight. And most of these decisions aren’t monumental choices, like “Should I become an elite marathon runner?” or “Should I move to Wisconsin and live entirely on bratwurst and cheese curds?” Most, in fact, are tiny little choices—habits, really—that over the long run, lead us down one of two paths: The road to ripped, or the freeway to flab.
http://health.yahoo.net/experts/eatthis/7-habits-make-you-fat