In the business world, there's a standard metric that helps one determine if a project was a good financial investment. It's a simple equation that sums up the definition of success on a project. You can also apply the same ROI equation to your personal life. Energy, on the other hand, is a very intriguing metric for success. What does the return on energy equation look like in your life?

Source: Huffington Post January 23, 2017 20:27 UTC