Vinjaro Mukandawire, Britain correspondent for The Economist, explores the evolving parental preferences in childbirth, highlighting a shift from a preference for boys to a growing acceptance of girls. Tom Nuttall, Berlin bureau chief, discusses Germany's increased military responsibilities and its implications for European security in light of global tensions. Meanwhile, Matt Kaplan, science correspondent, delves into the surprising health benefits of coffee, weighing its effects on longevity and mental health, and offers insights on optimal consumption.