Imagine that tomorrow morning you wake up feeling absolutely wonderful. You gently stretch your arms and smile as you think about the day ahead. You feel relaxed, refreshed and full of energy. You open the window and take a deep breath. You are filled with gratitude for your life, your family and friends and the wonders of the natural world. Life is good.

This can be your life if you choose it. Choosing it means being willing to examine the parts of ourselves that have been unwilling to implement lifestyle changes that will support living the life we desire. It starts with one...