The absolute easiest thing to do is spend time, as often as one can, in tranquil or majestic nature. Look at butterflies. Walk barefoot in the sand. Put your feet in a clean, bubbling stream. Walk in a city park and feed the pigeons. Anything. Get out and take a walk.
Gary K. Smith, The Mathematics of Sorrow: A Heart-based Model That Turns Sorrow Into A Gift
healing, healing-the-emotional-self, sorrow