It's been a month since I started abstinence in order to have a baby with my wife. My penis is always irritated. My mother-in-law witnessed the moment when my right hand reached for my penis while looking at an erotic video site. In the awkward atmosphere, my erect penis would not subside. I lost sight of where my pent-up sexual desire was headed, and in front of me was my mother-in-law's nicely ripe big ass. I couldn't help but fuck her right away. From that day on, I would sneak away from my wife and ejaculate all my thick sperm into my mother-in-law, impregnating her before my wife...