I've always preferred writing about grey characters and human characters. Whether they are giants or elves or dwarves, or whatever they are, they're still human, and the human heart is still in conflict with the self.
"Producers David Benioff, Dan Weiss & George R.R. Martin Talk GAME OF THRONES Season 3 and 4, Martin’s Cameo, the End of the Series, and More". Interview with Christina Radish, collider.com. March 20, 2013.