Harry was ten years old when Ellie's family moved away. She confessed her fear that she wouldn't find anybody to be friends with in her new home, so Harry told her to do what he did: find the people who could use her help and befriend them. She thought that it sounded like a good plan. They promised to write, but within a few months, the letters dwindled as she got wrapped up in the new friends she'd made, just the way Harry had suggested.