"I'm not meaning it as an excuse." Now he propped up on his elbow to look down at her. "He can bespell a woman and take her body, and her power if she has it. Lusting without love -- without any love for anything or anyone -- that's the dark. Those who go through their time with only that? I think they must be sad creatures, or evil ones. It's the heart that gets us through the hard times, and gives us joy."
--- SHADOW SPELL by Nora Roberts, page 231, paragraph 9.
This is the last paragraph I read.