Point. She purses her lips for a moment. How many years had she spent being chased off the subject of lost kids, learning not to even bring it up? And she'd said herself that looking for this little thing was like looking for Ellie on the train, and it's odd to feel like that memory isn't completely foreign to her, either.

"Arthur," she says. "It's not your kid. You don't have to get attached to it."

Easier said than done.