From the existential psychotherapist, USA Today columnist, and creator of the popular Instagram account @millennial.therapist comes a guide to identifying self-loss-one of our greatest unspoken human sufferings: that feeling of being estranged or disconnected from your true Self-so we can answer the most essential question: "Who am I?"

So many of us feel lonely, unfulfilled, or trapped-in our roles and relationships, in cycles of self-sabotage and wrong decisions, by our toxic patterns and mi...