When a person suddenly changes their demeanor, with a determined gaze and radiating confidence, they must be carrying everything alone. After a period of darkness, they go from innocence to darkness and back to kindness. No one knows how they endured that time; true transformation never relies on external nourishment but on a rebirth from death. Nirvana occurs in solitude where no one pays attention. They can only grit their teeth and face difficulties alone, crossing adversity by themselves. When he stands there alone, he is a thousand armies.