Like so many parents, I’m a panic junkie

On that record-breaking, sweltering day at the end of July, my three-year-old son did a pirouette in the paddling pool — ‘look at this Mama!’ — then tripped, slid under the surface and lay there on his back staring up at me through two foot of water. I was in the pool too, just an arm’s length away, and it seemed to me that I did nothing for ages.