Jon stopped in his tracks. It'd been easy to be selfish, so far away everything that might have reminded him of Mia and his mother. Mostly Mia. They'd never been apart for more than a couple of hours before, and then, quite suddenly, she was a universe away. It was like there'd been a noise that he'd heard so long that he hadn't realized it was there, and now that it was gone, the silence was deafening.
He couldn't imagine how Sophie felt, but knowing how he felt, the fact that he was absent seemed like a war crime. "I'm sorry," he said in a very quiet voice. "I didn't know."