@buzzicity on Instagram: "- The post features a viral Instagram video by American expat Kyle Metcalf, showing his park encounter with Japanese elder Nishikawa Takashi, where basic Japanese sparks an instant friendship, a bus ride, and a shared home meal with Takashi’s wife. - Metcalf’s approach—approaching strangers for practice—demonstrates effective immersion learning, as peer-reviewed studies like those in Language Learning journal confirm real conversations accelerate fluency more than apps,