"I didn't want to worry you," Jack said with an almost laugh. It sounded stupid now, but at the time he'd thought it was the right thing to do.

"I thought we'd have time," he said. "Thought we could get out of it before we had to worry."

He paused again and looked over at him.

"This is my fault," he said, "isn't it." But it wasn't a question, it was a statement. And in many ways it was about so much more than one moment.

"I'm sorry."