In our daily lives, we can’t help but cross paths with strangers: riding in an elevator, waiting at a bus stop, buying groceries. Most of the time, we hardly notice (and if we do, we carefully ignore each other). But what if these seemingly tiny, everyday moments are secret opportunities to boost your mood and feel more connected? With science, humor, and a refreshing dose of humanity at a time when discord is the default, Once Upon a Stranger is a warm, witty guide to reconnecting, one small hello at a time.