Yo, last week someone on my dash (sorry, I can’t recall who) theorized that in “Lars and the Cool Kids”, Steven shows the cool kids some Gem thing that was supposed to be off-limits. Given this description, it looks like you may be right, whoever
tags: Only Occasionally Obnoxious, steven universe,Lars and the cool kids,
from: https://artemispanthar.tumblr.com/post/79088546824