She noticed how awkwardly I was standing and looked down and saw how dirty my shirt was. “Oh you're so dirty! You should put on your uncles shirt..�...�� She tore off my shirt and stood in a gaze for a minute. It wasn't lustful or anything but she just said “Wow nephew! I knew you worked out with your uncle but I didn't think you're bodies looked so much alike!” I'm sure from her observing my body she seen my boner now. It was too obvious. I chuckled and thanked her but while she handed me my uncles. "Spying on our parents having some really kinky sex you mean." Alex said and they both laughed."Kay did you masturbate thinking about Mom and Dad last night?" Alex asked his sister nervously.Kayla looked at her brother for a minute as if she was going to tell him off for having the nerve to ask her a question like that but then her features softened as she thought about everything they had already talked about and what they had seen their parents do. "Yeah, I did." She said softly."Me too, I. In the art of negotiation, you must have an accurate assessment of your adversary."Benni let out a deep sigh. "Both of you still show a significant lack of understanding of our tradition of negotiation. Too hard or too soft, you act on instinct rather than on hard observation and experience. I cannot teach you this part although I've tried to show you again and again. I can only tell you of the lack."He coughed from deep in his chest."Both of you still act as if the Imperium is the enemy,". Kris is a very attractive woman and is always in fantastic shape and usually dressed in something that shows off her ample physical attributes. She is the same height as me, 5’ 5” and her figure is a little tighter than mine. I measure out at 35C-26-38 and Kris comes in at 32C-22-34. I was blessed with our mother’s red hair and Kris is blond like dad. Other than that, you can pretty much tell we are sisters.As she stepped back, I could see her nipples had got hard and were poking at the thin.