When Jen and I both headed for the bathroom together, it only took a scowl from mom and a head shake to give us the message that it was a big no-no. S...o we showered and dressed separately behaving ourselves like brother and sister were supposed to.We got back home and resumed our daily routine of kissing, school, Kissing, homework, Kissing, TV, Kissing and bed. One exception was that mom, on finding wet pants in the laundry and stained sheets on my bed came to a decision to take Jen to her. During the day, we would have sex with our own spouses, at night we would swap. We would share stories during the day with our own mates. I had an even bigger surprise when Nils started sucking my dick about the 5th day of the trip. I actually reciprocated and Nils fucked my ass in front of the girls.“I’m excited and a little nervous” I told Misty as we flew to the little island.“Why are you nervous?”“I had a great time but I really don’t want Nils to think he can fuck me again”“It didn’t seem. He wrapped his arms around her back and pulled her so tight to him that she could barely breathe. He could feel her heart pound, her folds swelling around his shaft as if never to let him go. They lay there together wrapped in each other’s arms. The melding of bodies once physically young and filled with youthful desire that ran wild and free now had transformed into something deeper. A love and devotion to each other that went further than the sexual pleasure they had just shared. Now it was. My back arched, pushing my body up into his brutal embrace. His hips now began to slowly thrust his hard cock in and out and I knew he was about to ejaculate inside me. Suddenly he slammed his cock deep into me for a last time and I shrieked as I came again; my body shuddering against his invading erection. He increased his tempo again, thrusting faster and deeper, heightening my orgasmic climb. His grunting grew loud and sharp as his thrusts became even more intense. He grabbed my hips and.