“But at a certain point the helpfulness of our shared love for the children had reached a kind of apex, and then began to decline until it was no longer helpful to our relationship at all, because it only shone a light on how alone each of us was, and, compared to our children, how unloved. The love we had once felt for and expressed toward each other had either dried up or been withheld—it was too confusing to know which—and yet day in and day out we each witnessed and were moved by the other’s spectacular powers of love, evoked by the children.”