"Whew!" I said."Yeah!" Cathy agreed softly. I glanced at her, and she snatched her hand out of her shorts. Her face was flushed and her nipples were h...rd.I put my arm around Pamela's waist and walked forward, letting Cathy get over her embarrassment in relative privacy. We wandered slowly, sometimes chatting for a few minutes. I was impressed by how smart and well read both sisters were. Pamela talked knowledgeably of economics, while Cathy discussed the relative costs of various space-borne. "How does this make you feel?" she asked looking up at me.I thought for a moment before I replied. "Happy, submissive," I think that took her by surprise."Submissive?" she asked."Yes, you're completely in charge of my sex life and yours. I feel incredibly excited to find out what happens next and tremendous relief that I belong to you." I hoped she understood this.She kissed me. I could feel her bare pussy, at least a little, through the gaps in my cage. "Set up my toy, you're going to stand in. I would never betray her confidence and vice versa, we shared with each other and it was refreshing to be able to have that kind of connection.Was all this just based on sex, this started as a mutual friendship then by circumstance it became a sexual relationship driven by loneliness and need.We know sex was the primary motivator and need but it certainly allowed things to expand and know each other in a different way than likely would have happened in the normal course.We talked about this as. ‘Hello, Marie.’ ‘Papa says you must eat every drop of this soup or he will not allow you out of bed.’ ‘Can you help me? I’m afraid if I try to lift the spoon I will drop it.’ ‘That is why I am here. Let me put a pillow behind you so we don’t make a mess.’ With the honesty of a young girl, she said, ‘You stink. And you need a shave, but I don’t know how to do that.’ It took some effort to raise his trembling hand, but he felt his beard and was surprised at how long it had grown. ‘Marie, how long.