有种任性叫做至死不渝有种执着叫做天长地久
[yŏu zhŏng rèn xìng jiào zuò zhì sĭ bù yú yŏu zhŏng zhí zhe jiào zuò tiān zhăng dì jiŭ]
This username translates to 'A type of willfulness is called unshakable; a kind of persistence is eternal.' It expresses the idea of an unwavering loyalty or persistence in love or friendship, highlighting the intense emotions and dedication one feels toward something precious.