"Family is wonderful. None of us would be here, the writer Aaron Thier once put it, if people hadn\u2019t taken care of us when we were small. Somebody birthed us, raised us, drove us to school, kept us safe. So naturally we feel an affinity and obligation to our family, as we hope our own children will. Being around them is comfortable. It\u2019s familiar. It\u2019s primal. But it\u2019s also important that we realize, as we get older as parents, that we always remember that our job is to lift our ...