happened oh about 12 year ago when i lived in manchester, me and the ex went for a few drinks and some lunch 1 sunday afternoon, you no urself few beers in the afternoon lovely lunch and the boss wants some action, so we headed back to my place at the time was still living at home. so when we got home there was nobody around, hadnt a clue were every one was, as the house was a mad house always somebody around. so we headed upstairs to my bedroom and started a bit ov action, was really getting into it, and at this stage i didnt here the front door open or close, so she was on her hands and knees on the bed, im stood up behind her banging away the best i could, then BANG the bedroom door opens, my little sister comes flying in she was only about 14 at the time, the ex was able to fall onto the bed belly down and theres me stood up with the biggest hard on i ever had, and my sister stood there looking at me, oh sorry thought you were out i just wanted to borrow your telly. hahaha to this day i still think she is disturbed