It was amazing after my girlfriend of almost two years, Tina, told me that her family was incestuous. After that first fuck session in the living room with her parents we all had drinks, sitting naked on the patio with their other two kids, Beth and Jeff, to relax and recover. They told me that they had been incestuous since Tina was 18 when she had come to her father after watching her parents have sex one night. They in...