She felt him nod his head.
"I knew she would be a good piece of ass, didn't you? Seeing the way she fucked her pillow told me she would be a good fuck, that she had a hot cunt. Did Mary's cunt almost burn your cock, Bobby?"
She heard her son mumble something, but it was indistinct. She hugged him tightly, sighing and feeling very good. After a while, she gently shoved him off her body. She knelt and looked at his cock, seeing it glisten with the moisture of her cunt.
"I don't know about you, baby," she said softly, "but I think I'll get cleaned up and go to bed. You almost wore me out, you know. Oh, God… that was so good, darling!"
She stood up, her legs feeling like rubber. Bobby looked up at his mother's naked body, and for a moment Susan stood with spread legs, her eyes shining.
Then she turned, and feeling his eyes on her naked ass, she left exaggerating the natural sway of her ass for his pleasure.
CHAPTER FOUR
"Mom!" Susan heard Bobby call. "Someone is with Mary!"
Susan walked quickly into her son's room. He was looking out the window and down into Mary's patio. Leaning over, she saw Mary with a man. Mary wore panties today, and Susan wondered why, since she had always sunbathed naked before.
It was the man who interested her, though, not Mary and her panties. This was the first time they had seen a man with the girl, and it was a change of pace. The man, Susan noticed, ware a pair of Jockey shorts, and the lump his cock and balls made were obvious, even from three floors up.
"I think they're gonna fuck," Bobby said.
The man leaned over and began to kiss Mary. Susan and her son both began to tremble with voyeuristic thrills. She felt her son take her hand, twining his fingers into hers as they looked. Mary wrapped an arm about the man's head as they kissed, but Susan and Bobby watched the girl's hips writhing, her long thighs flexing.