It was about 11pm Sunday night and I was at my parents housewatching TV in the living room. I turned down the TV trying to listen in onwhat was going on upstairs. At first it was a nagging creek that I managed toignore. Over the past ten minutes the commotion and racket was very obvious. Igot up from the couch and walked up the stairs to listen in. I expected to findmy sister and her boyfriend locked in their room fucking...