When you engage in fulfilling the needs of others, your own needs are fulfilled as a by-product.
Dalai LamaThe right way to deal with mental unhappiness must be within the mind too. On an emotional level, anger, fear and worry bring unhappiness. Scientists say they eat into our immune system. On the other hand, we are also equipped with a sense of affection and compassionate concern for the well-being of others.
Dalai Lama