"I didn't mean to make a mess, Tracy," he mumbled shyly. "I didn't know I was… I couldn't help it, Tracy."

"Shhh," she soothed. "That's all right, Bill. It's all okay."

Tracy held her brother for a long time, until she heard his soft breathing. Bill had fallen asleep in his sister's arms, his cock still between her thighs. Gently, so as not to awaken him, Tracy pulled away. Bill moaned once as he flopped onto his back, and Tracy stood near his bed, looking down at his glistening cock, her eyes bright, a smile on her lovely face. She felt his jism dripping along her inner thighs. She curled her fingers into her cunt and leaned down, kissing him lightly on the lips.

Tracy found her mother in the living room.

They sat and looked at each other for a moment, not speaking, yet their eyes passing messages back and forth. Susan sat upright, her hands folded in her lap, shoulders straight. Tracy gazed at the thrust of her mother's tits, at the few inches of smooth, slim thigh that showed below the hem of her skirt.

"I saw," Susan said after a bit. "I watched you, Tracy."

"I know, Mother," Tracy replied in a low voice. "So does Bill."

"Did he… did he say anything about me?" Susan asked. "Anything at all?"

"Na," her daughter said.

Susan's expression became a little sad and disappointed.

"Mother, Bill is shy," Tracy told her. "You can't expect him to say anything about you, knowing you saw us fucking. He's afraid we're in trouble."

"The poor darling," Susan whispered. "I don't know what I should do, Tracy. I mean, to help him understand."

"Understand what, Mother?"

"That he isn't in trouble."

They fell silent again until Tracy spoke. "He's probably better than the neighbor," she said.

Susan's head jerked up. "How do you know?"

"Bill is here, he lives here," Tracy explained. "Bill is available and…"