I am "Carol". Yes, it all happened as "Lee" described it (I'll call him that here). That was quite a day and I am not ashamed. That was a long time ago, a little more than thirty years, I'm a different person now but I always smile to myself when I think back on that day at the beach. I think Lee did an accurate job of describing the events, and a fair job of describing my feelings during and afterwards, but that's the part I think needs more explanation—my feelings and why I did what I did. Probably nowadays such behaviour is more common, but in those days this was risky and unusual. I prided myself then as I do now for having taken such a risk and making myself so vulnerable and triumphing over any negativity. But what I want to say here is that at the time, I was trying to overcome all the inhibitions I'd been taught by parents, church, school, society. I wanted to rebel even if it meant consequences, I wanted to flaunt the norms of my upbringing even if it meant I'd have to define myself in a whole new way, I wanted expose myself even if it would leave me no place to hide.
Before meeting Lee at the lab, I'd had many boyfriends. If I liked a new guy and saw potential, I'd fuck him on the first or second date (I always called this my "invitational", or "trial" fuck. This was so I'd know if we were sexually compatible. That was the most important thing to me, and I wanted to get that question out of the way. As a grad student I didn't have a lot of time to waste. (Note: we wouldn't even have a first date if he wasn't attractive in the first place; the guy had to be confident, secure, have a good personality, be financially responsible, sensitive, all the rest of the desirable things before I'd even be interested. Those traits had to be apparent right away, before getting to dating. If he got a first date, he probably got a fuck.) Back to the sexual compatibility: I love sex, and wanted a good fit. The cock must fit me and not be so big as to hurt, and not so thin as to slip around too much, and not so short as to not reach inside me far enough. Also, once inside, I want the top part of his shaft to put pressure on my clit. This can be learned later, but the fit must be there to start. If all these things don't come together on the first try, we might continue to be just friends but I'll look elsewhere for sex. Having a large number of first or second dates that didn't work out sexually taught me a lot about guys, but mostly confirmed to me what I like. With Lee, everything came together just right on the "invitational", so I moved in with him for the rest of the summer.
That should clarify about the sex. Now, about the nudity: I'm not a nudist. I don't take my clothes off unless it's to shower or to sleep or to fuck. If you saw me naked on the beach that day, it was because I was fucking. That day I really didn't consider my nudity or even my fucking to be that private.
What I did try to keep private was my orgasms, and it took me a while to be able to willingly share them with onlookers. At first I tried to hide my face as I came, but eventually I realized that my seeking humiliation and vulnerability could be successful only if I shared the most intimate, private, part of me: the feelings you could read on my face as I climaxed. That is different for every woman, and for me it is sharing what I alone can give. I made myself very vulnerable by inviting strangers to make eye contact during my orgasms. If anyone had ridiculed me at that critical time, I would have been devastated—this was the risk I wanted to take. Remember, as Lee wrote, I was doing this without alcohol. I was completely sober and well rested. I was completely aware of what we were doing and could have stopped at any time. I wanted to do something that nobody else had done (at least at that time and that place): put the most private, intimate part of me out there for all to see, and take a chance on being rejected or humiliated. As it turned out, it was thrilling.
Let me tell you a little about getting ready for the beach: I knew I wanted to expose myself, but at the same time I didn't want to appear as cheap. So the day before, I got my hair done, putting it up in a really classy bun in back with a few strands forward, and painted my nails. Before leaving for the beach I did just a touch of make-up, and put in tiny earrings and a simple thin necklace with a single pearl. I could have just as well be heading for high tea, except that I also removed all my pubic hair. (This was a bold move for the times; very few women did this back then. But then remember, the aim was to expose myself, and I didn't want to be hiding behind a patch of hair.) Funny that Lee didn't mention this in his narrative. I wanted all of my pink to show. He did mention about holding myself open, I'm just surprised he didn't dwell on the exposed lips and the pink, like most guy writers would.