Then I noticed that he seemed to be getting bigger. Particularly just inside of me. It still felt good, but I did start to panic because I didn't know...how big it would get. I feared that he would also get longer, but that never happened. He just got what I now know was his knot. It was something very nice about how it filled me up.I was in the midst of another orgasm when I heard a car. I peeped out my bedroom window, and saw Mom getting out of the car. Darn her, I thought. Well, I was going to. I walked carefully to my room so they wouldn't hear me.About two months aftter that I was walking to my room after a shower one afternoon. Jennifer was coming out of her room just as I was passing. She reached out to grab my towel in a teasing fashion like she often does. This time she actually got hold of it and she pulled it away. There I was, naked in front of my sister."Hey, give that back" I said as I tried to cover up and get my towel. Here I was naked.She laughed. Then she took a look at. I said, “Thanks,” and headed for the showers. A few minutes later, Paul joined me.He said, “Did you have a good evening?”“Yes, though we did nothing. It was a very quiet night, though enjoyable.”He chuckled. “We did nothing, too. Melissa fits very well in my arms and we spent most of the night talking. She told me a lot about her family. We’re both looking forward to tonight.”“Karen and I are, too. It should be a fun time with our ladies.” I was a little ahead of him so left for our room to. I asked her to stay for some more time, but she said she has to go, I agreed and we left, we took the lift. I was unable to move my looks away from her, she was a perfect MILF, with perfect curves and her aroma was making me crazy. There was nobody in the lift except us. I didn’t know how I got the courage, but I went and kissed her lips by holding her shoulder tightly, she was in shock she didn’t open her lips.I pressed her hips, OMG!! they were so soft and smooth. She pushed me away and.