This is a fictional story involving me my wife and her step-grandfather My wife, Nicole and I have been married for 7 years and have three wonderful children. We live in a smaller town and most people here are close friends and lots of family. When our first son was born he was diagnosed with a syndrome and that's when we found out that both of us carry a gene. After our second son to be diagnosed with the syndrome when decided that I should have a vasectomy to prevent more children to be born with a serious medical condition. It has certainly been a hard road, being a parent of medically challenged kids. Our sex life became monotonous, and fewer times between. During our last romp at it, I asked in an erotic way, "Do you want me to knock you up? Huh? Put another baby inside you?" The idea of impregnating her was always a huge turn on for me Talking this way almost made me cum right then. It definitely startled her though and it was right when she was climaxing, so I thought it must