Most of us are familiar with GPS guidance systems in our cars or smart phones. They are very handy when it comes to figuring out where you are and where you need to go.
Take that same concept and apply it to your life. A personal guidance system serves to confirm where you are and keep you on track to where you want to go.
Those three questions can serve as a compass or personal GPS. Ideally, the answers to all three intersect at a point that gives you your best chance of total success.
If you find you're drifting off course, find out what you need to stop doing or where you need to change. As Collins points out, sometimes the toughest decision we can face is not, "What should I be doing?" but, "What should I stop doing?"
Think of this way: whenever you say "No" to one thing, you free yourself up to say "Yes" to something else.