Turn around, and the people you thought you knew might change. Your little boy might now live half a world away. Your beautiful daughter might be sneaking out at night. Your ex-husband might by dying by degrees. This is the reason that dancers learn, early on, how to spot while doing pirouettes: we all want to be able to find the place where we started.
Let thy mind still be bent, still plotting, where, And when, and how thy business may be done. Slackness breeds worms; but the sure traveller, Though he alights sometimes still goeth on.