It’s a lovely morning and you’ve promised yourself this time you mean it. For the next three days, it’s nothing but salads, jogging, and protein bars. Then Thursday rolls around unexpectedly and you’re plastered to the couch with a tub of Ben & Jerry’s. What happened? A lack of motivation, that’s what. But don’t worry — if you put your mind to it, you can avoid the yo-yo diet and turn it into a you look awesome diet.