The fire flickers with a thoughtful hum. How does he explain this without getting too mired in the technical details?

"Well, there's usually a get-to-know-you phase..." Vyng says. "You know...what do they like? Dislike? What do you both want from life? Stuff like that."

(Is this starting to sound like dating advice? Maybe.)

"If you gel," he adds, "you spend more time together. Go out for picnics, play some games. And then if you're both feeling it, you check in with each other and see about taking things to the next level."