[He's briefly relieved when the contact seems to make some progress, but then she stiffens up again, and he wonders if he took a wrong approach, if there's something else the curse needs of him.

It's always honesty, isn't it? Vulnerability. Maybe it needs him to admit something he's never told her. He hesitates, and then tries:]

I don't know if we did the right thing. If it was okay to just let Remnant go, and hope some version of us has it covered.

[. . .]

...Not that I regret it, either, but I do know it was selfish, at least for me. I couldn't bear to lose you, too, after everything.