What is love?

Previously

…Her heart swelled with a gratitude so profound it felt like a physical ache. His sixty-sixth birthday was not just a number; it was a testament to a lifetime of shared joys and sorrows, of unwavering support, of a love that had proven itself to be as enduring and as beautiful as the ever-turning cycle of nature. The final poem, she knew, would be a celebration, not just of the man he was, but of the journey they had walked together, hand in hand, through every season of the soul. The sun, even in autumn, still held the promise of warmth, a promise that, like their love, would persevere.