“Henrik Lindqvist,” he had said slowly.

“Henrik Lindqvist was your father?” I had answered yes, and thought no more of it, and let the evening carry on.

I had not known, then, that the question was the hinge on which my entire adult life had quietly turned.

It is a vertiginous thing, to look back across your own life and discover that a moment you had filed away as trivial was in fact load-bearing — that the whole structure of everything since had rested, without your knowledge, on some small exchange you barely remembered.

I had told the story of meeting Kieran a hundred times, at dinner parties, to friends, to myself: the charity gala, the chance conversation, the handsome stranger, the way these things happen.