Turning 38 in a bit more than a month from now, I’m discovering that there is a truth in distinguishing different phases in life. This is an old truth, which has been codified in many cultures around the world, but for some reason I always regarded it as a more or less plausible socio-theoretical construction, without ever relating to it directly. Now, I do. I remember my childhood (‘phase one’) as relatively scattered, as something growing in different directions in different ways, of...