” Bob would chuckle and smile big and tell me what I wanted to hear. “You got some good pussy and I love it. You are still so tight. Daddy lov...es it when you fuck him and ride him like you do.” I love it when he said those things to me. I liked him telling me my pussy was real good. I asked him to start calling me ‘Pussy.’ He was all for that. It makes me wild being called that. About a couple weeks later I showed up at his house as always, eager for a good hard fuck. When I walked. All to soon Mason had the task of instructing the girls in the use of Tampons and such. Fortunately a lot of this was covered in the schools sex education program and what they had learnt from their friends. What they didn't know, the girls and Mason found out over the Net and their Doctors advice. Both the twins had severe cramps and were put on the pill to alleviate this and regulate their periods.~He was still working as a consultant for the Government and bringing up the girls as a single. And at that moment, I noticed that his cock seemed to be rising immediately after he finished the last sentences. He really liked it, didn't he? I said, "You are so weird! I can sleep around but you can't? That won't be very fair to you, dear" "It's alright. Maybe I am too shy to admit it but what the heck! I actually prefer and like it this way, honey. For our sexual life, I want you to be in control. You will have the last say. Let's put it that you are my queen and I am your subject. You. " Deena and I giggled and ran to the room. we went to my room and put away our new stuff. I knew daddy would look thru it, he just couldn't help himself. Deena and I donned our new 2-piece swimsuits, tight over our 13-yr old bodies. I was 5'1 and weighed 105 lbs. Deena was a little taller at 5'4 and 115 lbs. We walked out and daddy nearly gasped when he saw my hard nipples. I saw him turn red and try not to look. My tits were small at 32b, but my nipples were big and visible through tight.