Early December would usually be when we got the iceboats ready. A letter writer this week recalled a time, not really all that long ago, when Mecox Bay froze solid enough to race on. Not anymore.

One of the most stirring moments of my youth was the April evening in 1985 when, as part of a marching mass of college-student protesters, I danced up Amsterdam Avenue to the joyful rhythm of the song “Free Nelson Mandela” by the Specials.

“I don’t want to let him go,” our eldest daughter said of her elder son, who in the not-too-distant future is to go to college, a normal progression you’ll agree, but she can’t bear the thought of him leaving.