I did read, and I'm being deadly serious, the Wikipedia article on foreplay before engaging in said activity for the first time. I also think I read it together with the other person? And obviously I got the idea from the comic.
I was well into my adulthood before the internet even became a thing outside of academia. So we had to awkwardly fuddle our way through all things romantic or rely on poor information from that kid who started shaving at 11.