[ Gokudera's gaze down at his engagement ring draws Zuko's the same way, noticing, as well. He didn't have the same weight attached to this culturally, but he saw how it stood out, indeed. And the look on Gokudera's face, more tellingly. ]

You and Yamamoto...— you get married...?

[ It takes him a second to process this, tender feelings unmaskable on his face. ]

Gokudera, um—

[ He feels strange, unsure whether or not he should mention this, but it feels like he's staring some force of destiny in the face right now, and he can't meet it in the eye, turning away as he speaks, cheeks hot, voice a little hoarse. ]

You should know, uh— ...in that other world. Prismatica. Lunatia. ...You and Yamamoto started dating then, too.