A few minutes of this and she was begging me to put it in her, but took me in her mouth instead... I think she was confused. Finally, I got her on he... back, and comfortable, as we had been in a sexual pretzel for at least fifteen minutes. I got out the condom, and put it on, it rolled off. Try again, it rolls off again... WTF? Its going on inside out... finally I get it on and toy with her, rubbing her pussy with my cock, for about a minute. She is coming unglued. I fuck her long and slow,. I looked at myself in the mirror, fluffed down my rough boy short platinum locks and got a thrill thinking about shagging that hot guy downstairs in the living room who also happened to be me dad.I walked down the stairs softly and came upon him sitting on the couch watching some sports show."Hi, Dad!" I got his instant attention in my getup. He smiled at me looking me up and down admiringly.I sat on his lap and kissed the side of his face. "Thanks for everything, you are so sweet. I'm so. I just wanted to let you know, I'm willing to help if you need anything."I felt really bad, so bad in fact that I choked up and hugged her. She consoled me and whispered in my ear that it was OK, and that she'd come over the next day to talk.The next day came; we were talking, she was listening, and I told her everything, every single detail. She began to share her experiences and maybe two hours later, without even realizing it we were holding hands and cuddling together. We locked eyes and. If I'm going to get laid, I'm going to know about it way in advance. Dinner, dancing, a little romance, a little foreplay -- okay, a lot of foreplay, then maybe.I got up and limped down the hall, checking the apartment numbers along the way -- 1210, 1206… Here it is, twelve hundred. I rang the bell. I sure hoped David was awake already.To my surprise, the door swung open two seconds later. "Sis!" All smiles, David threw his arms around me in a big hug, which pushed me back on my tender.