I was still a virgin and was very nervous about being with a woman so it seemed to make sense, in a odd way. I told him I never practiced with anyone ...nd that it wasn’t really something i ever thought of. He said well it’s not always easy to find dudes that are comfortable and cool enough to practice with and that’s when he asked me! Let me show a few things - He said -then you can tell a girl what you like and how to make you feel good, it really drives her crazy and show your confidence,. Eventually, after lasting longer than I ever had I readied myself for the cum of my life. But it wouldn’t happen. I sat there unable to climax but couldn't for the life of me understand why. Not wanting to get blue-balls I went back at it even stronger but still nothing. I think it was that moment of desperation that brought the thought to my head that I would let my bitch sister come and finish up on me. Moments later I hear a knock at my door and my younger sister, Julia, yelling to let me. The end was engorged, almost purple, he was so excited. Each of our cocks was the same, but Jeff was the closed to cumming, you could tell from the way his breathing had shallowed, and from the glassy look in his eyes. It was almost like he was having a religious experience.She couldn't take her eyes off his cock, like she was willing it to cum for her. She pulled hard on her nipples, but at the same time was almost ignoring them. She was completely intent on his hand sliding up and down his. “Tighter than your mothers. Oh I’m fucking coming!”“Yeah? Come on then you old fucker. Fill your little girl’s cunt with your cum!”“Yes! YES! Of fuck, Sammie. OH FUCK!”“Come on you dirty bastard. Fucking cum and fill me up. The next time your little girl will be on her back and you’ll be fucking her hard like the whore she is.”“FUCK YOU, YOU BITCH! OH YES! OH YEEESSSSSSS! TAKE THAT YOU FILTHY WHORE! AAAARRRRGGGHHHHH!”My cock exploded inside her and she cried out. She was rigid and.