I think Sis let the covers slide down more for my enjoyment than hers. But she still enjoyed getting her back washed. Yes, Sis is still gay and I am f...ne with that. Even if she was not gay I could not see myself going any further sexually with my sister. That’s what I always told myself anyway.Sometimes Beth would bring home one of her girlfriends when Mom was not home. She would lick her lips and wink at me. I knew then that Sis was going to take her friend to her bedroom and I was to. ”I did not know what to do or say; so I simply repeated myself, “We can’t. This is wrong.” But I continued to stare at the amazing sight growing longer and more rigid between my stepson’s thighs.Robert approached me, his penis swinging proudly with each step he took. He knelt down directly in front of me. By now he had a full erection, he was every bit as hard and large as he was last night when he ejaculated in my mouth. He was pointing direct to the ceiling. Kneeling in front of me, he. “No to what?”“What do you think?”I honestly had no idea. Then I did.“Don’t say another word!” I growled. “You son-of-a-bitch. I’m turning this car around right now!”“You don’t understand,” he said, laughing.“I don’t want to understand!” I exploded.“I think you do.”“Fuck what you think, Aaron! Keep your fucking mouth shut!”He said simply, “She said no, because she likes you so much.”I had lost $40. Aaron had won $285. His horse was running next.“Do I bet him?” I asked.“I’m betting to win, but. She treats me good and even feeds me once in awhile," I replied.We had the solar cover off the pool and Robert started letting some of the water out of the pool. He said he lowers it just below the skimmer because he undoes all the plastic pipes and puts them in a small shed along with the motor and other parts. He leaves the filter out but covers it from the weather. He told me that if water gets into the plastic pipes they will freeze and break, he said it's happened before.We were moving.