When I served at the IDF central command in Tel Aviv a few years ago I would occasionally do guard duty at night, with a gun that weighed three kilograms [seven pounds]. Since that time, that became my reference point for an uncomfortable weight: What it feels like to carry 3 kilograms for a long while.
At first it doesn’t seem heavy but after a while…
When I had a 3.2 kilogram baby I remembered that…