And i was uncomfortable because she was my wife’s younger sister and my wife was lying on the shore not more than 100 feet away. As bj floated with ...er eyes closed, i watched her firm young breasts float under her loosely tied bathing suit top. The cool water was beginning to have an effect on her because her nipples became rock hard and looked as if they would poke through her top. If it had been my wife i would have slipped my hand into her top and rolled first one and then the other nipple. Laura had me well hooked, I concluded, and I wanted to see what she’d do with me before I cut the line. I arrived to stand in line at 10:30 sharp. Laura ran around the corner not a minute later. “I hope you don’t mind a little sweat,” she said, hugging me briefly in greeting. I didn’t, not in that package. She wore black running tights and a deep blue sports bra showing off long sheets of flat sensuous abdominal muscle underneath a healthy pair of breasts. Again she got looks and not just from. A penis.”“Yes, a penis, or anything else that might go in there.” As soon as the words were out of my mouth, I knew that comment would bring more questions.“What else can go in there, Dad?”“Um, well,.... Honey, did you ever hear the word 'masturbation'?”“Isn't that what a guy does when he plays with his penis?”“Yes.”“Why do they do that?”“Because it feels good.”“Do you do it?” she asked.I knew having such an honest relationship with my daughter would backfire sooner or later. “Yes, honey, I do. ”We grabbed our robes from inside and went to knock on their door. Bill opened it.“Bill, if you want to be alone," Brenda began, "we totally understand but…”“Umm, no… no, it’s OK, I think,” he cut in, and stood back to let us in just as Dianne appeared from the bathroom, having splashed some cold water on her face.“Sorry about that,” she said.Brenda marched up to her and held her face to look directly at her.“Listen to me, Dianne,” she began. “You, Sweetheart, have not one bloody thing to.