I was between relationships at the time, about thirty-two years old, and had been sleeping with a twenty-one-year-old girl, but it was understood to be an officially open liaison (although I was the one sleeping with other people most often). I think she was trying to turn it into a relationship, but I wasn’t in the headspace for it. We were sleeping together daily for a while, but I took a break, and apparently, she took...

The second girlfriend I’d ever had totally opened my eyes to what was possible when it came to sex. I knew her in high school, but we didn’t date until she was in college. I was kind of shocked she had slept with as many guys as she had, as she seemed kind of innocent. (On the other hand she was shocked she was the second person I’d slept with.) I could go on about all sorts of things, but the time I will always remember...