Shawn P. Wilbur has two excellent articles that, when put together, form the seed for me of these fascinating ideas:

https://www.libertarian-labyrinth.org/contrun/the-anatomy-of-the-encounter/

https://www.libertarian-labyrinth.org/contrun/the-anarchic-encounter-economic-andor-erotic/

Here's my own take on the idea: https://vagabondblog.xyz/2022/07/10/anarchic-encounter.html