Armin allows his eyes to flick away, suddenly very deeply, utterly invested in his burrito when Marco touches Jean's wrist. It is a minor thing, but it is still something personal, and he doesn't want to just stare at it like they are in some sort of zoo.

Once the moment passes, and he's cleared his mouth of burrito again, he turns to Marco. "Do you have any plans on when you are leaving? Even just rough ones?"