We often define ourselves by things that are "outside" us: relationships, work, family - even our own bodies. But what would it mean to have your life dramatically altered and your body irrevocably damaged? Who would you be then? In this TED talk, walking paraplegic Janine Shepherd, explores the impact of loss on the human psyche and the universal quest to find meaning and fulfillment. It is only through the process of losing everything we thought we needed that we find who we truly are.