Finnick doesn't have any particularly concrete facts on how it all works in terms of people leaving, returning, existing even after they die in another plane, et cetera. But what's important to him is that Night Sky pledges to stay with him, to do what's in her power for them to be together. That's more than he's had in past relationships, and for him, it's enough.

He presses a long kiss to her cheek.

"I know, baby," he murmurs. He knows she would do anything to keep her loved ones near her. That much has been clear all along. "I love you."