[his face colors purple again, at the sight of that bright smile-- that right there is exactly why he chose the sun, and it isn't at all lost on him that in turn, even without knowing, thancred chose the moon.]

For yours, then- it would be asta aran'dalah. My fair moon. San is a separate word for darkness.

...but if you truly think you've done better, then allow me to even the score, belore suran'dalah.