Healthy lifestyle is always the key. Lifelong good habits. Over the years I have gained, lost and regained the same 100 pounds several times. Only because I got stuck with big D Diet thinking and that always seems temporary. I am back at WW and doing great. I love it and once, like Nutrisystem, you learn the basics it is easy to keep it up long term. Good luck with your weight goals, it's a tough battle.