She was asking if I'd been thinking about her. I replied and said 'of course'.She said she had a confession to make to me. My mind was full of dread, ...hat had said, who had she said it to. Who knows that me and her fucked like bunnies?It took a couple of minutes and my heart was beating faster and faster. Eventually a message arrived, it went like this.Sarah and I went out last night for a few drinks, a few turned in to more and then a couple more. She had noticed I wasn't quite myself since I. The only problem though with my wife’s new role was the toll it took on our bedroom life. I mean she being away for up to two weeks at a time, sex was at a low. My wife was feeling the pinch too and often we would do skype sessions, getting naked and jacking ourselves off watching the other person do the same. This was far from satisfactory though, and I had gradually started watching some porn and shagging myself, whenever I felt the urge, and since anyways I spent a lot of time at home, I. I stared at Heather's perfect breasts and began to feel my cock throb. She gazed down at my crotch. "Mike do you have a hard on?" she asked in a playful toneOh no busted! Oh well. "Yeah, I think I do." I replied. "I have seen you staring at me practically all evening Mike. Do you really like my outfit?" Heather's tone was almost wicked now."I do. But remember, you are my sister."My manhood was throbbing and I wanted to take it out so bad but knew I couldn't. I thought to myself "Damn, she's hot. "Give me your left hand," I ordered her. I closed one cuff around her wrist, and the other around my right wrist. "Don't want to get separated, do we?" I giggled. Kate leaned over and kissed me, firmly and quickly on my lips. "I'm going to keep a close eye on you, Miss Slut." "Please do!" I replied. "And by the way... this is a 'Just Say Yes' night. Anyone suggests anything and we just say yes." "Anything?" Kate leered. "Anything," I answered. "What about the key?" Kate asked. "We leave it.