Obviously, I hadn't been heard yet, as I was quietly rubbing my painful erection through my shorts. I continued peering in, seeing what would unfold n...xt. Something wasn't quite right. There lie Joe, completely spent, as my sister just stared at him, almost as if he had wronged her in some way. He was clearly asleep already. She seemed dubious, almost puzzlingly upset. She cleaned herself up, wrapped herself in a robe and headed towards the door. I had just enough time to silently run away and. " Well, it's not inside, it's, oh, geez, Megan, maybe you should get a girlfriend to show you this stuff." Do you know about it, about how girls do it?" Yeah, I've, well, you've got to promise that this is all just between you and me. okay?"She agreed and I continued, "Well, I've done it with a couple of girls, not at the same time, but, with one then about a year later with the other, so, yeah, I know how they did it. The first girl really showed me all about it." Would you show me how?" But,. "Is that what has you upset? Are you afraid that I love one of you more than the other?" Oh, Ron," she sniffed. "I know it's silly, but I get a free pass on silliness in dealing with guys. After all I AM a girl." Kelly and I chuckled at her efforts to come out of the funk she had been in when she first entered the room. "When I told Mom tonight that she and Dad did not have to worry about sibling rivalry, I sort of felt like a liar."I've been so jealous since I watched you two this afternoon.. “At first I thought you were trying to wind me up, but I soon realised, you weren’t.”Karen’s heart sank, “I’ve fucked up,” she thought. Then he sent his next message.“do you remember the last time I was at yours? One night in particular springs to mind. I had taken a shower and we were both sat on your sofa watching television? Do you remember? I went to bed early if you recall?” Karen read his message with a thoughtful expression. She did remember but never really thought anything about it..