I'm not sure how much you saw or heard, but when your father and brother get home I am calling a family meeting" Cindy gently kissed her daughter's ch...ek and gave her a firm but playful slap on the ass."What the fuck is going on?" Rachel thought as she walked back up to her room. Rachel was nervous, she was shaking. She even stopped drinking her coffee to make sure she didn't make the shakes worse. What was her father going to say she thought, shit what was her brother going to say. Her heart. I had my left hand on her boob right boob. Fondling it gently, tuning her nipple softly. This turned on her, she started kissing me below neck and licking my ear lobes. I switched my hands from left boob to right bum and right bum to left boob. I played with her boobs and bums for a while with clothes on. Then, we started to undress each other. First she took off my T-shirt. Then, she started sucking my nipples one by one. She ran her tongue round over my nipple, gave a gently bite. I shivered. The short drive back to the cabin, was filled with an erotic energy. Both of them knew that tonight was the night that would change both of their lives, forever. He spoke first. "Nervous?" Just a little," she admitted shyly. "I want you to know, I'm clean. I had a full battery of blood tests on my last check up, no hepatitis, no HIV. I've never had an STD." He told her this, as in this day and age one could never be too careful. She blushed, "Um, thank you. I'm clean too. We have to. I looked at the grad student and her smile betrayed her, she found my shock amusing. This was her dissertation for her graduate degree in Reproductive Science and she asked me to proof read her paper. Being a Language Arts major she felt I would be able to edit and correct the grammar and flow of her work, “That last sentence is pretty graphic, it brings up some fairly bold images.”“Yeah, I can change the verbiage. but it conveys precisely what I learned from my study. Brother and sisters.