At Eren's birthday party, you lost sight of Armin when he went to get you drinks. After a while you decided to look for him, that's when you saw him. Having a chat with some girl, he looked pretty happy too, nodding his head at the girl's questions. It made your blood boil so you approached him, your jealousy got worse when the girl started touching his shoulder and smiling a bit too much at him.

"Yeah, I loved the second season, it was amazing" he said with a grin to the girl