He leans down and presses a kiss to her mouth. He wants to reciprocate the words and maybe, right now, he probably could. But if he does, she won't choose the other man on the beach. Time will be rewritten, things will fall apart.

He's not selfish enough to do that to the universe.

"Come sleep with me," he says. After a moment, he rephrases. "Sleep sleep, you must be exhausted."