Since it had been several days since our last rendezvous I was more than a little horny and needed to be satisfied by him. He is a sweetheart but whe...n we get together for sexual escapades we like to role play. He usually plays someone in authority, while I submit to his lust and he dominates me. Our favorite is when we play the role of whore/john. It really turns me on when he treats me like his little whore and just sexually dominates me. I get off with a little humiliation while he. I needed him. I wanted to do something dirty with him, something new, so we moved to the bathroom and into the shower. My body writhed with anticipation. I don't know why we did this or why I felt so turned on by it, but I let him pee on me. I relished the feeling of being so filthy, so naughty and novel. It was something new and exciting in the same way that giving him a blowjob was new and exciting when we had first met. My breasts were engorged with milk, and I used them like firehoses to. "Did you do well?" she questioned the satiated girl."I think so, Sarah. I think that your brother was quite satisfied." And you?" Sarah inquired."For his first time, he was amazing," Betty gushed. "The best solo straight sex I've ever had." That was a lot of qualifications," Sarah observed."What can I say? I'm a slut," Betty chuckled."Yes, but now you're my slut," Sarah said, caressing Betty's cheek. Betty purred."You do know that I share everything with my brother, right?" Sarah asked. At least until I asked her, and she finally admitted that she was, but again, there was no move on her part. Then the whole i****t question, made discussing that issue with anyone too hard to get around. So, talking about my fucking around with her as the target of my affections was definitely out of the question. When winter came around, I was definitely getting frustrated by it all. Mom was NOT reacting, and Dad was not touching, no matter what I tried. I even came into the den once wearing.