Two souls colliding and two hearts melting into each other.Soon his pace slowed, and his body tensed. He began to shoot his cum deep into me, painting...my walls to my delicious delight. As he came, he sent me over the edge into the biggest orgasm I had ever had. I hung on for dear life! Not letting go until both of us were utterly sated. As he slowly slipped out of me, I felt like something was missing. He rolled me over, my body and his were covered in sweat. He lay on me, with his cock poised. " I slipped out of his room and quietly went downstairs. In the kitchen again, I took a peek out of the window to check on the girls. They were still comatose, lying there in their tiny bikinis absorbing the sun. I was going to have to go out there soon and remind them to flip over. Ah, to be young again! Actually, I was feeling like a young teenager again. Greg was having an effect on me, that's for sure. It was nice to feel desired by a young man. Now don't get me wrong. I'm perfectly. I want you to be the first man to give me an orgasm. Will you do that Jack? Will you make me cum?”The way she asked that last question - will you make me cum? - with such an earnest and even desperate need in her voice told me she was already on her way. And, ‘my god,’ I thought, ‘how could she sound so vulnerable and helpless while simultaneous being in such control of me at this very moment? Was it her own state of arousal that was taking her over? Was my little sister a slave to the needs. He held her there as they both came.Linda felt weak and exhausted. When he let go of her hips she just fell forward and he came out of her. There was a moment that all you could hear was both of them trying to catch their breaths.Linda stood up, and went to the bathroom where she sat down and emptied herself into the bowl. She instinctively grabbed a washcloth, ran hot water on it, and then came out to clean the doctor. She knelt there cleaning his cock and when finished, she looked up at him.