Sitting at my vanity and recalling all this, I felt the heat again as I stared into the mirror. I was mindlessly plucking my nipples as I reminisced, ...and hadn't even realised I was doing it. My clit was throbbing softly, trying to get my attention. I'd been like this for hours, waiting for the evening to arrive. Most of the guys I've been out with stumbled through our dates with inappropriate comments intended to amuse, or turned into octopi as soon as they'd drunk enough. Hell, it was bad. It was something that Mom had taught us, first me and then Sis. Mom had been bringing home various 'uncles' since we were very young. When we reached puberty, she told us that while cock was a wonderful thing, sometimes one was not available. Therefore, she said, demonstrating with her tongue, a girl needed to know about the next best alternative. Sis and I had been eating each other continuously since our teens, and were always available when the other needed relief. And I needed it badly.Sis. ”“I get to be your mistress. I think your situation at home allows that.”“Yes, but there has to be more than that. You could have any guy you wanted.”“I could. But I want YOU. You meet all my check boxes. Older guy who knows what he’s doing. Check. Nice looking and in good shape. Check. Doesn’t treat me like a piece of meat or think I owe him something. Check. Has ZERO interest in Daddy’s money. Check. Has a very good report as a skilled lover. Check. Made me tingle when I danced close. Check.. Although she would be turning 16 next month, it was sometimes hard not to think of her as his little girl. While other times, when she walked through the house in just a T-shirt and tiny pair of panties, just like she was wearing tonight and every other night before bed, he would find himself taking note of all the wonderful changes that has taken shape in his young daughter’s body. Her breast, although not overly large, appeared high and perky with perfectly taut nipples that would often press.