Part I: The problem. Loneliness: the basic crisis of a modern society ; The personal cost of loneliness: mental, emotional, physical, and spiritual health ; The cultural conundrum: success, technology, and tribalism -- Part II: God's design. The original design: coming back into alignment ; It was meant to be this way: how we are hardwired for connection ; The deep longing: the importance of attachment -- Part III: Practical solutions. Model for action: the greatest commandment ; Individual responsibility: looking inward ; Personal responsibility: what happens when we are part of the solution ; Faith communities: the effect of stepping outside the four walls ; The messy embrace: understanding vulnerability, community, and redemption