Last night was my final 24-hour call in the hospital (a fact I didn’t realize until about 1 o’clock this morning). The milestones are just stacking up; next in line, my last class retreat (next weekend), my last clinic (two Tuesdays from now), and my last overnight call in any capacity (three Wednesdays from now). In the mean time, though, I’m off to Boston for one day of geekery before returning to marking the passage of time…