I got a haircut today. I sat in the same chair I have sat in every 4-6 weeks for the past four years. Sometimes a cut and color. Sometimes just a cut. But always the same reassuring conversation. “How are you? How is your family? How was your holiday? Any vacation plans?” My stylist knows me quite well by now. She knows my kids by name; she knows my job; she knows my hobbies and my interests. She can tell...