Case Study PSD-F-M001 (mf, 1st, true, piv)

Curator's Note: On the surface, this appears to be the case of an older female offering a sexual favor to a young male as a bribe for better cooperation and behavior. However, one must wonder if she had deeper motivations.


  • I am a male.
  • I experienced sexual intercourse for the first time in 1966. I was 13 and my partner was about 18.
  • On the , I had stage 3 pubic hair growth and stage 3 genital growth.
  • My family was affluent.
  • I did not have sexually active siblings.
  • I did have sexually active friends.
  • I was not a victim of prior sex abuse.

Read Case Study PSD-F-M001

Case Study PSD-F-F001 (mf, 1st, true, piv, preg)

Curator's Note: This is the case of a young couple who tried to be careful and do everything right (except abstinence), but the female still got pregnant.


  • I am a female.
  • I experienced sexual intercourse for the first time in 1971. I was 13 and my partner was about 14.
  • On the , I had stage 3 pubic hair growth and stage 3 breast growth.
  • My family was affluent.
  • I did not have sexually active siblings.
  • I did not have sexually active friends.
  • I was not a victim of prior sex abuse.

Read Case Study PSD-F-F001

The PSE Project

Precocious Sexual Experience -- Consensual sexual activity culminating in intercourse prior to the age of 15.

Precocious Sexual Debut -- Consensual sexual activity culminating in first-time intercourse prior to the age of 15.

Professor X was a man ahead of his time. He was a psychology instructor at various colleges and universities in Western Europe from the late 1960s until his death in 2010. During that time, he ventured where most others feared to tread: the study of precocious human sexuality.

For decades, he sought out students who had experienced sexual intercourse prior to the age of 15 and gave them the option of telling their story instead of doing one of their writing assignments. He created a structured format so that their information would be more consistent and easier to analyze.

Unfortunately, professional publications shied away from publishing all but the most general statistics about precocious sexuality. They never allowed him to reveal in any detail the most important information: how, when, where, and why these experiences occur. Without this knowledge, it's just not possible to address the problems of teenage pregnancy and sexually transmitted infections in any meaningful way.

After his death, his unpublished research was given to a colleague. The student reports were often hand-written in "blue books". Some were typed. Most had either faded with time or had suffered some kind of physical damage. They were also written in various languages, presumably to allow his students to use the full expression of their native languages.

The essays sat in a storage room for over a year. One day, the colleague decided to read a few of them in the hope that they might be of use in a research project. She was brought nearly to tears by the vivid recollections of emotions and sensations that the students were able to produce. Most of their experiences had happened nearly a decade prior to their reports. Professor X had clearly brought out the best in them. She vowed to dedicate herself to preserving their work and making it available to those who could appreciate it.

Now, she and a few carefully selected volunteers are carefully repairing the essays, typing them into a word processor, and carefully translating them into English. It's a slow process that's being performed in everyone's spare time, but the results are clearly worth it. The experiences are amazing.

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