Susan’s eyes were closed and she wore a slight smile on her face. Her expression betrayed some of her sexual tension mixed with anticipation. She wa... entirely focused on what Debbie’s lips and tongue were doing and how good they made her feel. Those teasing kisses and licks promised much better pleasures on the way.Debbie caressed Susan’s belly with her fingertips as she kissed and lip-nibbled Susan’s breasts, avoiding her stiff nipples to concentrate on the milky white flesh surrounding them.. He maneuvered it pass the silky loose leg opening and put the tip against the oily labia, pressing forward. The knob easily slipped in. His cock being well wedged, Spence’s hand was free for other duties and he placed both around on Joan’s belly. He moved them upward, resuming his tit cupping under the teeshirt, on the bare nipples, pinching them. Joan leaned back and braced herself with her hands on the rail. Spence pulled her into his chest, peeking over her shoulder. He pushed his hips and. . um..." Just spit it out."The irony of that statement was something I wasn't even going to touch."Not sure how to say this without getting both of us embarrassed."She turned around; looking to make sure her skirt hadn't been tucked inside her panties or some such nonsense."I'm a nurse John, I think I can take it." Your daughter is getting to me and I need some relief." What's she doing ... Oh!" she said when she got what I was talking about. "You two aren't..." No, but I have very little. " Yes thank you" she smiled and I watched her gorgeous little ass beneath the skimpy panties as she walked slowly over to the chair,"Are you all right doctor?" she grinned as she sat down and hooked each leg into the stirrups provided, "You look quite flushed." I'm fine thank you" I replied, "But tell me what's troubling you." It's very personal you understand." Of course."She smiled again and asked if I liked her underwear,"It's very nice" I said and allowed my eyes to wander over her bra.