He is delirious with fever, and yet happy as well.
The illness is terrible, as is being shipwrecked on this unknown isle. Every day is a struggle to find food and shelter.
Still, it is better that what he had before: a dull grey life in a dull grey suit at a dull grey job.
Now, he feels alive.
Maybe it’s OK if rescue doesn’t come.
Maybe he’s been rescued already.