They both mouthed the word, to try it out. Masturbating they said, tasting the word. Yes, boys and girls both masturbate. Susie of course knew she did...t have a penis so demanded to know how a girl masturbates. Oh my I thought. This is leading me down a path that could be very dangerous! Of course, that taboo feeling was also terribly exciting and intoxicating! Very much like a drug would be I imagine. I said to Susie and Bobby, look kids, you have to promise me that you will NEVER say a word. This time I introduced them to my cock. I sat between them and kissed them alternately until they were both panting. Each time I kissed one twin; I took the hand of the other and used that hand to rub the bulge in my pants. Each girl became fascinated with my bulge. I stopped my training for a moment and stood up. I faced them and dropped my pants and underwear. I caressed my cock in front of them until it got completely stiff. Their eyes WERE startled… for real this time. I sat down. I stated to pound my cock in to her hard and fast." FUCKING TAKE IT YOU BITCH, YOU LOVE MY COCK FUCKING YOU LIKE THIS ! I yelled at her, over her moans. As I fucked her, I popped her tits out of her dress so I could squeeze them. I fucking miss her cunt."OH SETH FUCK ME LIKE THE BITCH I AM FUCK ME" She stated to yell. "I MISSED BEING FUCKED LIKE THIS OHHH FUCK HARDER SIR HARRRDER" I started to slam my cock in to her. She must have been really fucking horny to want to be fucked like this. I felt. "You're now almost eighteen and she will be eighteen three more months after your birthday. Carl told her he made a complaint to the authorities. I believe I better call our lawyer tomorrow to and alert him to start legal action at the first hint of trouble. I have his home phone."Rachel blushed when Mark did a double take and then gave her a questioning look. He ignored the implications of why she might know their attorney's home phone number. "Mom, you know that puke already groped her a few.