She let out a guttural pant trying to be as quiet as possible when his flange penetrated her wet folds. I could see her fingers grip the bed sheets in...agony as inch by inch his horse cock filled her, until finally I watched as she thrusted forward to get away. She turned and whispered, “ It hurts, I can't take all that”. She turned back around and he fed her half his cock, three or four strokes later I heard him whisper “I’m going to cum” Mandy turned toward him and stroked his massive shaft. The water from the pool glistened like a jewel in the sun beckoning her to come cool off in the summer day. She couldn’t remember when the last time was that she had time to go for a swim. As she logged off her computer she looked around her room thinking she might want to do some cleaning later that day. She scrounged around in her draw for her bikini and threw in on the bed. Turning around she faced her mirror. She looked at herself in the mirror and slowly started to remove her clothes and. About everything."Both girls blanched, going pale, and then color rushed back into their faces. They were frozen, as if they were statues.Had Dave just left it there, the girls would probably have thrown themselves on their father's mercy, begging to be forgiven for stupid school girl fantasies. It might, after a while, have turned into a real dialogue, about how everyone felt in their single parent households. Had that happened, they might have worked out their emotions on a more rational. One page showed a young boy with his stiff cock in his mother's pussy. Another showed a beautiful woman with her mouth open showing her son squirting his cum into her mouth. The pages had titles like "I Love My Son's Cock... Masturbating My Son...Making Mother Pregnant and Cumming Home to Mother." I was both horrified and aroused. My panties were soaked. Why was I so affected by these images of mothers and sons engaging in forbidden i****tuous acts? Were there families that engaged in.