We can video chat across the ocean but barely nod to the neighbor whose driveway touches ours. Researchers Haslam and Jetten found that joining community groups fundamentally boosts self-esteem and resilience, lighting up the same brain reward centers as chocolate or falling in love. Billy and Suzy didn't plan to build a neighborhood hangout. They just cooked, invited people over, and kept showing up. Some people didn't vibe with it, but the connections that took root became a chosen family. It all started with a pulled pork sandwich. Next time you see a neighbor, look up from your phone and wave. That's the start.