First off once they take some of your seed no matter how small an amount they will slowly become addicted to it. At first it will be a small void they...might be able to get on without but the more they come back the worse the addiction after a couple times they will become your slave just to taste your seed, it will almost be like they are dying without it.And the second change will be based off their immune system, depending on how strong their immune system is the seed might change them in. I didnt answer her suggestion but merely put my arm around her neck and slid it down to her front. At the same time I felt the most wonderful sensation in the whole world. She softly cradled my rock hard cock in her hand and slowly closed her fist around the shaft. My eyes closed in an unworldly sign of pleasure as my hand came to rest on her left breast. If I had been struck down dead at that very moment, I would have died in total contentment. I could feel her soft little hand glide over my. "Now that I'm touching you there, yes, it's really cool. And you might be my brother but this feels pretty sexy," she said grinning at me. "How often do you do it? Once a day?"I laughed, then told her, "I hope not. It's more like three, five, maybe six times a day, especially like now, during the summer when I have the time." She looked at me rather astonished."So you could do it again? Pretty soon?" Right now, Anna, if I wanted to. You want to see me shoot again?" You could? That soon after?"I. I breathed heavily with satisfaction. Because I enjoyed it so much, I played with my new dick and balls and made myself come again. The following day, my best friend Monica came to my dorm room at college. When I opened the door to her, my jaw literally dropped to the floor. I had never seen her look so damn hot and sexy before. I felt my new dick grow with excitement in my panties a bit. She was wearing a black mini skirt and white sleeveless top that her big breasts were spilling out of. Her.