When you no longer have expectations, the unexpected kindness of others and small acts of consideration become like "sweet manna from heaven." The feeling that rises spontaneously within one's heart at such times is true gratitude. When one is accustomed to kindness, one can lose the feeling of gratitude. One must constantly return oneself to the spiritual starting point of no expectations.
There is love like a small lamp, which goes out when the oil is consumed; or like a stream which dries up when it doesn't rain. But there is a love like a mighty spring gushing up out of the earth; it keeps flowing forever, and is inexhaustible . . .