"It would lead to the Dark Side," Luke said flatly. "Anything that's done for selfish ends--because I want it--that's bad. So I realized that about ten seconds into the fight, but it was a little late to back out. I tried. I did everything short of flying away to disengage, but my father had his part to play as well..."

He shook his head. "I thought about Leia and he called me on the relationship. I still don't know why. And then he threatened to turn her instead--and I kind of lost it again."