Daddy has a short cock and can’t get it up without help.I whispered to her, “Yes, Mommy gone out. Help me get hard. Open your mouth.”I propped h...r on the floor with her back against the wall and pulled my pants off so my rock-hard monster cock waved right in front of her face.Jenny’s eyes widened, she asked, “Open my mouth? Why? How did you get so big Daddy?”Obviously Daddy hadn’t taught her what to do with her mouth. I squeezed her cheeks to make her mouth open and shoved my cock in. She. Meanwhile I was giving Elaine everything that she wanted. After two orgasms she was asking me when I would finish and I told her that I didn’t know, but I did cum during her third orgasm and she loved it. After that the girls would just let Tom fuck them to keep him quiet. I was the one that they really wanted to fuck them.Once we kids had started to enjoy sex with one another it became much more obvious that mom was exposing herself to us boys and that dad was checking out the girls naked so. Even with the four-wheel drive the tractor almost slipped off of the road a couple of times.When he finally arrived at the row of row homes that were sold as condos he let himself in and quickly gathered the suitcase, briefcase and papers and started back to the cabin. The sun shined brilliantly on the snow and Bob wished that he had brought his sunglasses. He had to hold the suitcase and briefcase on his lap on the way back and almost lost them several times.As he pulled into the driveway. I had simply planned on a simple night, maybe some dancing and kissing with an audience. But she wanted him to see us have sex.So I did as she wished.I'm not sure if she was comfortable with an audience because she was used to so many people staring at her while she acted in movies, but she enjoyed herself just like the past, when we were still together.The next day, she got a little more cheerful. Perhaps this sex therapy was really working well."So, what's up tonight?" No, not tonight. I.