The issue of free will and destiny comes up many times in the story.
You can make me a woman of destiny next year.
"But I do think he is very much not in control of his destiny on certain problems, especially the economy."
She was no longer in control of her own destiny.
No longer was he in control of his own destiny.
There is no way to stop the force of destiny.
"What seems to me most serious is the idea that you can't change the course of destiny."
Why in the name of destiny had he married her?
What in the name of destiny had it all been about?
But we are what remains in terms of destiny or decision.