“Nothing tastes as good as being fit feels” is a good mantra to run through in your mind over and over as you concentrate on taking in only enough calories to live as they say Eat Right for Life, in order to get and stay fit. You should also exercise (see this post for details on how much) but controlling calorie intake is essential to get, and stay, in shape.
The chart below summarizes and organizes years of study and experience, along with wisdom from experts, into a straightforward set of steps that you can work into your daily eating routine. Following the approach, complemented with regular exercise, has changed my life. I feel better now that I weigh 40 lbs less than at my peak, I am more active than I have ever been, and I have more energy for not only work but also the fun things in life.
I hope you find it useful: