Lily provided caution; Emily provided momentum. Emily provided joy without analysis; Lily provided the structure that kept the joy from becoming chaos. They fought with the ferocity of people who are intimate enough to know exactly where the pressure points are, and they defended each other with the ferocity of people who share something that cannot be articulated.
My father called them the ecosystem.
“You can’t take one out,” he said once, watching them play in his backyard on a summer afternoon, Emily trying to climb a tree while Lily stood below making suggestions about technique. “They only work together.”
Carl laughed at that.
Carl was, in those five years, exactly the person you hope for when you are trying to build something. He was steady in the way that not everyone is steady — not boring, not without dimension, but reliably present. He showed up. For bedtimes and for the school drop-offs and for the Tuesday afternoons when nothing was happening and he could have been somewhere else but chose to be exactly where he was. He was the kind of father who knew the particular laugh of each of his daughters, the individual sound, the difference between them in the dark.