Jennifer awoke thinking about what had happened the day before -- she and Jackson had taken one of their infamous walks, he had given her oral sex, she had later given her first blow job, and then, best of all, they had made love -- they had fucked! -- again. Unlike last time, however, she wasn't wracked with guilt. The guilt was crowded out by her body's craving for her brother. It was a new feeling for her. She had been horny, sure, thousands of times, but she had never felt like this. She knew that all of the sexual activity of the day before should have left her sated,...