At twenty-three years of age, she really wasn’t too bad looking. Her long read hair framed her thin face well, highlighting the cheek bones and emerald green eyes. I think she has shared our house with my son for almost a year. What started as a quick sexual adventure for him has turned into a full blown relationship? I think I have got them a few times in the middle of a hot steamy session in different rooms all over the house a few times. Both naked as they sat on the bed on the spare bedroom early one morning, her on top of him. It was 3 am and when I woke up the TV was on. My mission then was to turn off the tv and then go into my office. No one needed to be in there and since they had their own room. One step into the room and seeing their bodies lit up in the glow from the tv told me everything. I excused myself and walked away. Nothing else was ever spoken of the matter. A few mornings when I have woken early their door has been open, which is unusual, and I have caught her out of the corner of my eye naked and standing above their bed. This morning all I could think about since I woke up was sex. This is a normal condition of my abnormal high sex drive. I knew he was gone for the day, and so was she…at least I hoped she was. I had the door to my office open and my earphones on, watching porn. After 30 minutes or so I finally found something that didn’t have subtitles and caught my attention. So here I am, a 54-year-old man watching porn because I haven’t had sex in over 3 weeks, my pants pulled own to my knees as I stroked my hard cock. Thinking I was alone—I had left my office door open. Now the step daughter in law is going to school and occasionally has to come in to use my printer, which she usually does when I am not home. I suppose she thought I wasn’t home. As I am sitting there, my hand rubbing my cock, I catch her at the door way out of the corner of my eye. For some reason I don’t try to hide it, but she doesn’t look shocked, in fact there is a small smile on her face. “What’s up Lisa? “Umm, I was hoping to use your printer. But it looks like your busy.” “Not a problem, it is hard to find good porn sometimes, let’s see what you got.” She moves over closer and hands me the thumb drive, her eyes never straying from my cock which is still sticking out. “Nice cock.” She says. “Glad you like it.” Before I get a chance to plug it in she kneels over and grabs on to my cock. “Payment,” she whispers before her lips surround it. I lean back as her mouth concentrates on the job at hand, her eyes staring at me the whole time. Her lips sliding up and down my shaft as I notice her hand sliding between her legs. “Stand up, I have a better idea.” My hands pulled her loose shorts off and my mouth went to her clit, my tongue licking her in the right places and she moaned in pleasure. She turned around and bent over, her hands supporting herself on the desk as she bent over and I stood up, spreading her butt cheeks. I quickly grabbed a condom from my hiding place and rolled It on before my cock slowly entered her wetness and I pounded into her, slowly at first then faster with each stroke. Her voice came out in a high pitched scream as her body shook and I came inside her. As I sat down, knees aching, she turned and pulled off the condom, licking me dry before she left my office. Then I remembered what she actually needed and I called after her—she had taken the thumb drive. “Oh never mind, I got what I needed.”