Many many years ago, Ray Allen, Paul Pierce, Kevin Garnett, and Rajon Rondo were coworkers in Boston. Doc Rivers was their coach. They won the 2008 NBA championship together; then, later, some of them went on to work in other places. Some of them don’t really like each other. They don’t all come to each others’ life events and work functions anymore, a decade after they won that championship and a full six years after the last time all of them were coworkers. Absolutely nothing about this is the least bit interesting or unusual, so far. Do you still hang out with all the people with whom you shared a professional context six years ago? Do you go through life with the expectation that you will be close personal friends with all of your former coworkers more than six fucking years a…