6. Make weekly resolutions. Don’t try to overhaul your diet overnight. If you make too many changes at once, chances are you’ll get frustrated and throw in the towel. Instead, make one change, such as eating at least one piece of fruit daily, every week.
7. Start with 10%. People who start by focusing on achieving just 10% of their long-range weight-loss goal may have the best chance of ultimate success.
Losing those first pounds yields the biggest health gains, too, since belly fat is usually the first to come off and is the most dangerous.