The quote expresses the intense emotional journey of the characters, emphasizing their deep love for one another. This love serves as a powerful force, allowing them to fend off darker times and challenges that threaten their bond. Their reliance on willpower illustrates the strength of their connection, showcasing how deep feelings can motivate individuals to push against adversity.
However, the phrase also hints at the inevitable exhaustion that comes from such an intense emotional effort. Despite their unwavering determination and love, there reaches a point where they can no longer sustain themselves. This exhaustion signifies the fragility of human strength, reinforcing the theme that love, while powerful, can also lead to vulnerability when faced with overwhelming challenges.