Yes, Libby had a problem, and she knew it. And her problem was Ana, who kept suggesting that she simply leave Sam and go on her own. That she try something--different.
But Sam understood Libby's problem too, and he had the perfect solution. Every two years, to prove that he was fully committed to making it work
And thus it was. Sam kept Libby in her place. Libby never had to worry about life on her own. And the biennial renewal really did bring them together--at least in their hatred for Ana.
Ana. That little corner of Libby's mind that just wouldn't go away. But it could be...managed.