My name is Tony and I just had to tell this story of a recent medical research I was part of.
I am 66, a widower, 5'9", 185, s/p hair and hazel eyes. Less than a year ago I had triple bypass surgery and my medical provider sent a nurse, Lois, to my home weekly just to take blood pressure, check the healing and to see how I was doing. She called me Mr. N.
Lois was a registered nurse specializing in geriatrics. She is about 45, 5'8", 145, black hair, brown eyes and from what I can tell, a nice set of tits. She was very personable and we sometimes had tea together if her schedule allowed.
After about four weeks Lois came in all smiles and bubbly. I asked her why so happy. She told me that she has been working with doctors on a new pill for senior men and they just got a huge grant to continue the research. I congratulated her and asked her to tell me about it.
"Well," She said, "We are doing research on a new pill for senior men. The pill will give men more semen in their testicles and when they ejaculate, there will be much more semen and it will be coming out harder."
I told her to tell me more.
She said, "We are going from clinical trials to real life humans and looking for participants. Most are married but you would be a perfect candidate."
I looked at her and said, "But I am not married. Who would I get to be my partner?"
Lois looked at me and said, "Mr. N, I could be your partner. What better way for me to get the data I need than to participate, unless you wouldn't want me?"
I said, "Lois, it's not that. I am actually flattered but that would mean we would have to have sex, wouldn't it?"
She looked at me and just said yes.
I took a deep breath and told her I would do it.
She then said that she would have to take some statistics of me and that she needed me to get undressed so she could take some measurements of my penis and testicles, before and after.
I looked at her with a dumb look. She then said, "I need to get measurements of your penis, soft, hard and after you ejaculate. The same with your testicles."
I went into my bedroom and undressed. Lois came in and knelt down in front of me. She started measuring my cock and balls. Then she took my cock in her hand and massaged it and got it hard. She then took more measurements.
She then looked up at me and told me that I had to ejaculate so she could take another set of measurements and record the amount of semen I produced.
I started jerking off but nothing was happening. After awhile, Lois told me to stop. She then took a sample cup and placed it on the floor.
She then told me to let her know when I was going to ejaculate. Suddenly, her mouth was engulfing my cock as she started sucking me off. It didn't take long before I was going to cum. I tapped her on her head and she stopped sucking me and gave me a few jerks and I shot my cum in the cup until my balls were drained.
She capped the cup and got up.
She told me to get dressed as she wrote on the sample cup.
After everything was done, she gave me a pill and told me to take it the night before her next visit. She also gave me a dozen small cups and told me that if I masturbated, to ejaculate in the cup, seal it and write down what I used as a stimulus. She told me not to masturbate the day before she visited me.
I told her I understood but that I wanted to ask her a favor. I asked her not to use clinical terms, as I prefer her to use layman terms like: cock, balls, cum, jerk off, fuck...stuff like that.
She smiled and said that would be fine. She said she would be back in three days to get things started and left.
For the next couple of days I jerked off at least seven times and marked the cups with the needed information. Most of the stimulus I wrote down just had "Lois-BJ" on them.
The night before Lois came, I took the pill and went to bed.
When Lois arrived she looked different. She didn't have her uniform on, just jeans and a top.
We had tea and I told her I used seven cups and she just smiled.
I asked her how this works now.
She said, "Mr. N, when we are ready, we will get undressed and go into your bedroom or anywhere else you prefer. Before we start, I will insert a wireless camera inside me that is tethered so I can easily remove it. This camera will record you cumming in me, the amount of cum you shot and the force of you cumming in me. This camera will not interfere with any fucking. We could actually see it happening on the small remote monitor on the stand. Then, just like married couples, we will make love and eventually you will fuck me and cum in me. I will feel the force of you cumming in me. After you cum in me, I will let your cum ooze out of me into a larger cup so I can record and label the amount of cum you shot into me."
I looked at her and smiled and commented on how scientific this was.
She smiled and just told me to ignore all the technical stuff but to just enjoy it.
She asked if I was ready and shook my head yes. I then asked her how many times were we doing this. She told me that we were supposed to do it three times today, in the morning, in the late afternoon and in the evening. She said that, depending on me, she could leave and come back or stay the entire time.
I told her I would prefer she stay the entire day and she said that was fine with her.
We went into my bedroom and I got undressed. I watched as Lois removed her clothes. She was gorgeous naked. Her tits were big and her nipples long and erect. Her pussy was smooth with just a landing strip.