I had already discarded my jeans and was standing there in just my boxers and t-shirt, she snatched the small packet back from my hand. ‘Come here I...��ll do it’ she said rather impatiently. She pulled down by boxers, causing my penis to spring out in front of her, then with one deft movement she expelled the air from the end of the condom and unrolled the thin rubber all the way down my whole erect length. I remember thinking she must have done this before. Although I had seen condoms before I. .. wow. Of course I offered to help and went through the gate and in to her back yard. She was more sexy up close than I could imagine. I followed her into the house. She let me know that she needed the bed moved up stairs in her bedroom. As I followed her up the stairs, I could just melt looking at her ass wobble and looking at those gorgeous long sexy tan legs. God even her toes were sexy. We came to the bedroom and she pointed across the room, "there it is, I need the bed moved a few feet so. She was wearing the same pale pink lingerie, but her skin had become pasty and had, started to lose its tone. Her breasts which I had remembered being perky, had started to sag, and her ass which had filled out her panties beautifully, now fell out of them.She grabbed the front of my shirt and pulled me towards her, but I realized the passion was not the same. Her tongue stumbled around in my mouth and I stepped back and pushed her away from me and toward the bed.She stumbled forward then. Much to surprise this young woman comes out to take me back to the lab to do my test. She is young, maybe twenty two or twenty three, not the normal older ladies they usually have which flirt their asses off with me. Her name is Marie and she had olive skin and was very attractive. She started flirting with me right off so I flirted back. We went thru the whole thing and when it was time for me to go into the bathroom to fill the cup, Marie said, "Let me know if need any help." to which I.