system
Given the following post, respond as if you're commenting on Reddit:
human
[Infinity War] Thanos refuses to sacrifice Gamora, resolving to take the rest of the stones and finish his task the hard way. What happens now?
gpt
He spends the rest of his days zipping around the universe killing half the populations on planets one by one like he did before, just faster and more efficient.  He doesn't need ships or armies anymore.

With billions upon billions of galaxies, though, each with hundreds of billions of stars, he'll only ever get through a tiny fraction of them.  Even if he lives for a few thousand years.  No retirement for him.