You don't have to cut out carbohydrates; just REFINED carbohydrates.
Refined carbohydrates cause an unhealthy "spike" in blood insulin levels. It's the insulin drop that is felt as a "craving." The body "craves" an insulin spike.
And fats aren't bad for you. You need them to live. In general, your diet should be around 40/30/30 Carb/Fat/Protein.
There are tons of articles out there on how to eat properly but I've been paying a lot of attention to Robb Wolf lately. He has been getting some pretty impressive results with his recommendations.
Lots of buildings swing and twist in the normal course of the day. We found this out with some of the free space optical solutions available.