Nature/Cause of the weariness of Eldar in the Third Age

[Inziladun]

Originally Posted by Boromir88

So, I think Middle-earth was just an unfit place for Elves, it's nature is in line with the nature of Men, as the Undying Lands is in line with the nature of Elves.

That's the key, I think. Why else would it be only Elves dwelling in Middle-earth who were affected? Those in the West didn't fade because the land of their dwelling was immortal, just as they were.