Book excerpt: We don't know how much time we have on Earth, but we can make the most of the time we have. Our health and well­being is the most important thing we have. When we are in good health everything in our lives is better and more fun. Unfortunately, this state of being does not last forever. It is much easier to prepare for the day when we are facing illness, whether it is mild distress or a serious and possibly terminal disease, when we are healthy, rather than when time is an issue. In the U