...make a noise when you stand up from the playspace.
...remember worlds before they had mirrors.
...own a lighthouse you are afraid to unplug.
...call every new avatar format "that new stuff".
...think full-body tracking is a young person's sport.
...have said "it's past my bedtime" in a club world.
...still have the box your first headset came in, "for resale".
...hold the menu further from your face to read it.
...have fallen asleep in a world and woken up somewhere else.
...are over thirty.
If you nodded at three or more, it's time. If you nodded at fewer than three, it's still time; you are thirty, and you are in denial, which is sign eleven.