Sipping and thinking, as he sat at his laboratory desk on the ground floor of the Harshman Research Foundation.He was intoxicated with his first truly...genuine success in the act of sexual intercourse with a lustily responsive partner. And she was a beautiful, lusciously ripe girl, too.After years of frustration, he had made it good. Good? Hell, he had come on like Gangbusters, Batman, and Errol Flynn all rolled together.He knew how lucky he was that his early years of failures with females had. It all seemed silly and juvenile now - like a wet dream about some big titted movie star. Something you told no one, not even your best friend or sometimes especially not your best friend, about.The two best friends packed up their camp and walked out of the woods, down the ravine, across the fallen log bridge over the small stream, and up the hill to their homes. The boys lived three doors away from each other and their parents were friends.Everything was as it had been the day before - no. As she spoke she held my hand and in particular my errant finger between her teeth. Each syllable made a little bite and she pronounced it with a pause.She let me go and lifted up the side of the duvet to reveal herself in the moonlight.She had perfect round breasts with large nipples that would poked directly up into the air. Her boobs lay flat on top of her above a bare midriff which rolled smoothly down to the panties. The panties rose again in the perfect outline of her pussy.She pulled. Unable to wait another second, I slid into her womb real slowly. We were about to fulfill our needs, in missionary style.We both let out a quick moan as both our bodies were filled with pleasureful feelings starting from our private part which quickly reached our brains. My 6-inch penis went in half-way inside my sisters pussy until I felt it hit something which blocked my way. I looked at my sister who was staring at me. She nodded and so did I. I pulled my penis out a little and with one.