Isn't a well lived life all about love, good health and happiness? We do almost everything we do for these three things. The highest point of our satisfaction seem to be when we are in love, when we have good health and we are happy.
When you meet people who love you in a honest way, never take them for granted. Do not take your health for granted. Be careful about the things which affect your health and mood.
In your own words, what is the essence of life?