"What? I don't..."

He sighed and stopped in mid-sentence, not really believing that he was trying to convince his beloved girlfriend to be angry with him.

"I mean, do you mind me and Donna going down on each other when you aren't here," she asked.

He shook his head. "No, but that's just oral sex."

"Exactly!" she said. "There are differences. When John gets all flirty in the morning, and when he had me suck his cock when you and Donna were fucking your brains out, you didn't get upset."

"Well," Dexter said, "wait, that's just oral, like you just said. This was fucking. And, if you remember, you had...