Every time our family travels, I watch my wife perform “the ritual.” She spreads every piece of clothing across our bedroom floor like a tactical operation. Socks paired with underwear, shirts matched to jackets, contingency outfits for weather changes we might possibly encounter. Then comes the pharmacy phase: tiny ziplock bags filled with medication for every conceivable ailment, all labelled and organized into one master bag that could stock a small urgent care clinic. The rolling...