In the hero stories, the call to go on a journey takes the form of a loss, an error, a wound, an unexplainable longing, or a sense of a mission. When any of these happens to us, we are being summoned to make a transition. It will always mean leaving something behind,…The paradox here is that loss is a path to gain (David Richo, How to Be an Adult: A Handbook on Psychological and Spiritual Integration)