"You're sitting on my lap naked!" I said.

"So? We had a threesome yesterday."

"Not a threesome. You watched us have sex. And then I watched you two have sex. There's a difference."

"Not to me," Dawn shrugged. "Besides, I don't think Yuna would care if you fucked me. She wants you to."

"What? How do you know?"

"Just trust me, daddy," Dawn said with a sigh, standing. "I know."

And so I trusted my daughter, but was too afraid to make any moves toward her lest I explode my marriage. We'd done some things together, but what if actual incest with my daughter was the red line?

Throughout the...