> You'll lose weight on a calorie restricted diet almost no matter what you eat. The problem is, a calorie restricted diet alone isn't always sustainable. Eg i

> You'll lose weight on a calorie restricted diet almost no matter what you eat. The problem is, a calorie restricted diet alone isn't always sustainable. Eg if you're eating crap, but so little that you don't gain weight, it's still going to mess you up (lethargy, irritability, lack of focus).