This is a precious gateway into the alleviation of suffering, which I believe to be our principal task on this earth.
When things go smoothly, then we can pretend we are something very special. But something happens, something unexpected, then we are forced to act like normal human beings.
If one's life is simple, contentment has to come. Simplicity is extremely important for happiness. Having few desires, feeling satisfied with what you have, is very vital.
I worked on a book many years ago with a physician who cared for seriously ill and dying patients. He made a powerful distinction between healing and curing: Curing involves the resolution of the illness but was not always possible. Healing, he said, was coming to wholeness and could happen whether or not the illness was curable.
We need to learn how to want what we have NOT to have what we want in order to get steady and stable Happiness.
Our ancient experience confirms at every point that everything is linked together, everything is inseparable.