Even with the benefit of hindsight--and admittedly ignoring some periods when I wasn't really happy where I was--given a somewhat arbitrarily large amount of mo

Even with the benefit of hindsight--and admittedly ignoring some periods when I wasn't really happy where I was--given a somewhat arbitrarily large amount of money in the bank, maybe I'd have taken a couple sabbaticals but I'm not sure that, in retrospect, I'd really have been happy retiring much before my late 50s.