Garnet thanks Steven for breaking her tunnel-vision on the video game so she can go help Pearl & Amethyst fight off a corrupted gem on the boardwalk. This screenshot comes from Mirror Gem, when Garnet tries to take Lapis’s mirror from Steven and he slaps her glasses off.

This was pretty much addressed outright in Pool Hopping, where Garnet states that she can't tell the future properly anymore because she hasn't accounted for the fact that Steven has grown up and isn't a little kid in need of protecting anymore.

Oct 24, 2015 · Peridot even calls Garnet a war machine, prompting Garnet to threaten to "kick her butt." In Peridot's mind, Garnet is a nuke that is primed and ready to launch, whereas Jasper was the big, scary bully who will push you over if you draw attention to yourself.

Jul 13, 2015 · Garnet learns that Pearl was purposely rebuilding the Communications Hub in order to keep fusing into Sardonyx...more.

Pearl tries to talk to Garnet and explain herself, but Garnet is angry and denies Pearl's claims that she only wanted to share a few victories, scolding Pearl and telling her that the past instances were under false pretenses.

Some believe this is Garnet showing rudeness to Steven, however, prior, at the temple, when Amethyst and Perl make fun of Steven, calling him a clown, Garnet tells them not to. Later in the episode, Steven uses the "butt face" insult as a rewind point, to attempt to battle the monster again with knowledge gained.

Steven wishes for Garnet to come see him in a play, she refuses for she is still angry at Pearl for the whole fusion thing. When Amethyst learns of this, she gives Garnet a piece of her mind, which leads Garnet to decide to try to forgive Pearl or stay angry.

Sep 18, 2019 · What Steven Universe handles really well about this story about a violation of consent is how much it pays attention to the complex aftermath of Pearl's actions. Garnet is first angry, then just silently ignores Pearl entirely.

She's not angry, she just got back from the eye-eye-eye doctor and her pupils are dilated.

Megaton Punch: When Garnet and Amethyst fuse into Sugilite to destroy the tower, the very angry Garnet doesn't even bother forming Sug's Meteor Hammer, instead opting to smash it to oblivion with a single double-fisted punch.