Beren and Luthien from Tolkien's Silmarillion. Ahhh, going back to good ol' Tolkien! These two are the main characters of the Tale of Luthien, a sad story where an Elf maiden falls in love with a mortal man. READ IT. Art by: http://lleayhe.deviantart.com/
He was helping her get to where she needed to go - that was all. Perhaps her father would give him a reward when he brought her to the castle - kings always did that in books. Then again, maidens always fell in love with their knights in shining armor .... well, Serra wasn't even sure he was a proper 'knight in shining armor.' She wasn't sure who he was at all, really.
"But she vanished from his sight; and he became dumb, as one that is bound under a spell, and he strayed long in the woods, wild and wary as a beast, seeking for her. In his heart he called her Tinuviel, that signifies nightingale, daughter of twilight, in the elven-grey tongue, for he knew no other name for her."