She did not pull away."Yes. I think so. I mean ... I think I might need some help" she said, looking into his eyes. She took his hand and pulled him t...ward the bathroom. Wordlessly she got shaving cream and a new disposable safety razor. "Scissors" he said, and she looked in a drawer for them. He watched her in the mirror. Her breasts didn't sag or wobble in the bra. She had a beautiful ass too. With her back to him she bent over and slid the panties down to her ankles. Yes, her ass was. I looked down at my sister, on her knees in front of me, reaching for my cock. “Ok my sweet brother, lets see if your cock is happy to see your sisters mouth.” She reached into my fly as she said this and pulled out my rock hard prick. “Oh, your cock is happy to see me, look at all the pre-cum oozing out of your piss slit! Your whole cock is already covered with it, nice and sticky!!”I watched as my sister stroked my shaft, she started at the base by my balls and slowly squeezed upwards. . I did the same and she started raising her buttocks and I was in her till the end of my dick. I took out my penis, rub it on her hips, in between her hip and back and dried it a bit and again entered her with little effort as my dick had been dried. It was now an hour that we were fucking and swatting like hell in the winter. Finally we exploded to gather and I fell on her back. She turned her head and we looked in each other eyes, she was smiling and had lovely feelings for me.We kept lying. The rain started coming down harder and faster. So I offered her to come back to my house; she could call her husband from there…Barbie agreed and we both ran back to my house.Once inside, I saw Barbie was soaking wet and shivering. I stared at her hard nipples clearly seen though her tight wet t-shirt.I told her to strip off that wet clothes before she would get sick. Then I directed her to the guest bathroom where she could change her soaked outfit. I left her alone but she asked me for a.