[ Astarion settles close, pulling the covers over their lower halves, head nestled in the crook of Iorveth's shoulder. He simply couldn't be happier; an orgasm, a fiancé, and the promise of Iorveth's quest for eternal life—

Wait, what did Iorveth just say about his quest for eternal life?

Astarion pulls back to get a good look at his face, as if he thinks he might find Iorveth winking and laughing, because surely he's joking. No one would ever say such a ridiculous thing in all seriousness. He raises an eyebrow, wary. ]

I can't imagine how your quest for eternal life could ever go wrong.

[ It's eternal life. He doesn't care if Iorveth is a hideous zombie!! ]

So we really don't have to make any sort of contingency plan.