Here's a tech-tip. I watch a lot of videos. There's a tremendous amount of incredible expert information online and for free. However, I never watch these videos online. I download them to my iPhone (the greatest learning tool ever invented). Yes, there's an app for that. Here's an incredible app and it's free.
*Exercise is important. However, it's very difficult to "exercise off" the calories from a typical fast-food or average American restaurant meal.