[A number of thoughts run through his head: a note of her changed demeanor and its possible relation to survival and scarcity, displeasure at the idea of other worlds with life just as awful as his, disgust that such life would then spread further just to extract what use they could out of peaceful places that should be left untouched—

It only comes through as a thoughtful furrow of his brow as he shifts his weight, as if physically moving the relevant ideas to consider them. His remark is neutral almost leaning towards complimentary, though his true feelings are anything but.]

People are considerably stubborn no matter the world, when it comes to staying alive. ... But everything comes to an end eventually.

[Entropy and all that.]