And he sang to them, now in the Elven tongue, now in the speech of the West, until their hearts, wounded with sweet words, overflowed, and their joy was like swords, and they passed in thought out to regions where pain and delight flow together and tears are the very wine of blessedness.

No dragon can resist the fascination of riddling talk and of wasting time trying to understand it.

And yet their wills did not yield, and they struggled on.

It was at this point that Bilbo stopped. Going on from there was the bravest thing he ever did. The tremendous things that happened afterward were as nothing compared to it. He fought the real battle in the tunnel alone, before he ever saw the vast danger that lay in wait.

Haldir had gone on and was now climbing to the high flet. As Frodo prepared to follow him, he laid his hand upon the tree beside the ladder: never before had he been so suddenly and so keenly aware of the feel and texture of a tree's skin and of the life within it. He felt a delight in wood and the touch of it, neither as forester nor as carpenter; it was the delight of the living tree itself.

Hobbits delighted in such things, if they were accurate; they liked to have books filled with things that they already knew, set out fair and square with no contradictions.

Your talk of sniffling riders with invisible noses has unsettled me.