I think everyone knows that we have become accustomed to large portion sizes. And large portion sizes can add up to too many calories which can add up to weight gain.
Unless you have read a food label and carefully measured out one serving you may not realize how big your “normal” portions really are. This video will show you:
When you are done with that one, check out this video that shows what 2000 calories, the “typical” recommended daily intake, looks like coming from some of your favorite foods: