“It’s a strange thing, having a child,” he said. “It completely alters your most fundamental priorities. When my eldest daughter was born, I realized I would do anything—anything—to protect her. If I had to set myself on fire to save her from something, I would do it with the utmost relief and gratitude. It’s quite a thing, quite a privilege, to care about someone so much that the measure of the worth of your own life is changed by it.”

