Books didn't help in my case. YMMV but this what worked for me: eating clean (avoiding fast food as much as possible), exercise (anything you enjoy works), and

Books didn't help in my case. YMMV but this what worked for me: eating clean (avoiding fast food as much as possible), exercise (anything you enjoy works), and limiting my snacking. I didn't even count calories, if I had to guess I was probably consuming a bit less than 2000.