On TikTok this Japanese line circulates as a short spoken quote, listed on its original soundboard as a famous saying linked to Matsumoto. It spread as a caption-ready reaction sound rather than as part of a longer song or scene, which makes it easy to drop over everyday clips about distance, boundaries and relationships that work better apart. Creators reuse it because the meaning is immediately clear from the context, even for viewers who do not speak Japanese, and its understated delivery fits quiet endings, ironic reunions and soft breakups.