"Remember when you brushed your teeth?" asked my suddenly helpful brother. "Yes." "You brushed them for about a minute," he said. But then he added, "a proper brushing is two minutes, actually!" Brothers!
"And when you poured the milk at lunchtime?" My stomach remembered lunch... "Getting the milk and filling all the glasses took you about one minute."
Hey, maybe I was the expert! "What if I run up the stairs?" I asked. "Would that be a minute?" "There's only one way to find out," said Naina. I ran up and down. "Nope, not yet," said Naina, looking at her watch.