Since both my parents and my 87-year-old grandmother had come to Europe for my brother's wedding, I went from Switzerland to Germany for a little more family time before resuming research. Even there, though, I gained some perspective on singleness.
Read MoreI took the night train to Berlin, sharing a compartment of 6 beds (3 on each wall) with men and women. I didn't sleep more than about three hours. The day did not improve on that start, between a chilly rain, pickpockets and a firsthand look at one of mankind's darkest eras.
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