March 19, Father’s Day, which I have never celebrated, like so many things, even if I have a wonderful son. Cloistered at home, my only contact with nature is with the vegetables I eat.

A nice gift for this day could be a walk in the mountains or by the seashore. I have to settle for sprawling on my 2-square-meter balcony to feel nature up close, thanks to the plants my wife cares for.