In the last couple months, I've been constantly hungry. Maybe for good reason--I don't always eat breakfast, and sometimes I try to skip lunch to get out of work early & save a few bucks. But I guess you need calories to keep moving, so whenever I start to feel a little tired or cold, I grab a snack. And another. And another. Pretty soon I've devoured 600 calories in granola bars and 200 in peanuts, and I'm still peckish.