I've heard people making fun of people who order a cheeseburger, fries and then a Diet Coke. (In fact I just heard it brought up on the radio this morning) Cause that's so funny, because it's pointless, right?
Well, a large Coke is usually 32 oz., and that's 400 calories. Plus, let's say you get a little refill for the road, so it's an even 500. You go out to fast food once a week ( a very conservative estimate for some people.) So 500 extra calories a week x 52 weeks a year = 26,000 extra calories a year just on Coke.
Is that a lot? Well, 3,500 calories is a pound on your body. So that's 7.5 pounds a year, just in switching from Coke to Diet Coke, once a week at fast food.
America isn't going to cut out fast food overnight, so if you're going to get a burger and fries, you had better get the Diet Coke, and let other people laugh their head off.