I now think that she was justifying any activity that may occur during the course of the evening.During our meal of burgers and fries, a "no-no" as Mu... always ate healthy, plus beer, also a "no-no", Mum was quite chirpy and we enjoyed chatting which had not happened for some time.Back in the room we decided that bed was the most comfortable place to watch TV before an early night, as there was no sofa or comfortable chairs. "Might as well get ready for sleep" and off Mum went to the bathroom.. We both shot our cum and had cleaned up and were laying there in the, now, darkness as I asked him, "When you mentioned Gwen a while ago, I really sounded like she's been doing that to you. It's okay with me, I won't tell." Oh, that just slipped out. Shit, she'd kill me if she knew I said that but, yeah, um, we both do each other. It's really the best, so hot. Have you ever had a girl do it to you?" No, but she's your sister. Doesn't that take the fun out of it?" I can tell that your sister's. "I think I managed to get through the rest of the quarter just thinking of that cover. Finally all the classes and tests were done and our bags were packed, such as they were. I mean, when everything we needed fit in a backpack each it didn't take much. Well, a backpack and a camera bag for me.The night before we were to leave my brother and Gail showed up just in time for dinner. Funny how that worked out. The next morning we loaded our stuff in Beth's Jeep and headed for the airport. I. Like a fly drawn to honey, I darted after her, buzzing through the woods anxious to reach her hive. She began to slow down, and I saw a small clearing. There was a stream babbling gently through the woods, and beside it a downed tree that was propped up by another tree, so that it was parallel to the ground, about waist high. She jogged over to the tree, stopped and turned toward me. Without saying a word, she took off her crop top and sports bra, and my eyes fairly popped at the perky B cups.