It crept up on me much faster than I realized, but there they were, all over social media: photos of the graduates of 2017. There were family friends with their bushy-tailed teenagers on the last day of high school; cousins on their final proud march across college campuses; and my own friends listening to graduation day speakers at their various graduate degree programs. This prompted two reactions: 1) Excitement for others, with a faint hint of nostalgia. Which quickly turned into: 2) The abrupt realization that it has already been…