It bothered Paula to be as dishonest as she was with her “not really.” And, she thought, it isn’t like being her boyfriend was a bad thing. Was ...t?Of course the real tell was the way the two acted around each other. They were obviously the best of friends, which would have made the other third graders suspicious had there been nothing else. But there was something else, of course. The way they would smile at each other, unlike the way they smiled at their other friends; the way they had been. But that night her hand crept across the invisible line. Her leg slowly slid toward him. When he rolled over and bumped into her, waking up, he protested that she was on his half.That was patently true, but she flatly denied it. They bickered. He pointed to the middle of the headboard, then to her hand. "My side," he said. "There's the line." Ah," she said, "but there's my side, your side, and then the part in the middle. No-man's land."Pete frowned. "No-man's land? But you're in it."She. The reply was that he would be available from Friday after work, was that soon enough, and asked of the changes. Slowly and deliberately she wrote her reply, yes Friday was OK, and the changes were rules, the first that he must show no mercy, he must stick rigidly to his promises, regardless of her condition, as she had wanted this scenario for so long now, she felt it was a must. Did he understand that? With bated breath she waited the reply which to her relief simply said, “I promise,” She. I wish I could remember how the hell this even happened, it was one of those things that just kind of, happened I guess.I'll start with some background. Me and my wife have been married for quite some time, and quite happy at that, we have an amazing sex life, but me being the man I am, I'm always looking to push boundaries, do the unthinkable, and that's where her sister comes into the picture.Her sister was nothing special, certainly not as attractive as my sexy wife, with her shoulder length.