We're all primates just driven by the need to eat, poop and have sex. Even in the metaverse. And even if you try to remove the fornication.
From a recent study of Club Penguin, the kid oriented virtual world where you're represented by, well, a penguin:
"One of the attendees told me how she began to notice "bumping" in Club Penguin (she linked it to the Disney purchase). Bumping is basically penguins trying to have sex with other penguins."