My ex-husband invited the former wife he believed was still childless and miserable to his family’s Christmas at their military estate. He never imagined I would arrive on a government tactical helicopter — with four eight-year-olds who had his face.

of it had four eight-year-olds standing in the middle of it, and I slotted them in the way you slot in any other element of a plan.

PART 2

Christmas morning came up cold and pale.

The authorised flight lifted at about seven and we went north over snow for two hours with the engines going steady.

And sitting along from me were the four people who are the only thing in my life that has ever actually mattered.

Isaiah. Micah. Nia. Zuri.

My eight-year-olds. Two boys and two girls.

Born at thirty-one weeks, four pounds between the smallest and the largest, and eleven days in that unit before anybody would tell me we were out of it.

They were in matching navy winter coats. Polished shoes. And small honorary insignia on the lapels, given to them by people in my unit who love them.

I had those coats made.