What makes the personas friends unforgettable in song auld lang syne in English version?

In "Auld Lang Syne," the personas' friendship is unforgettable due to their shared memories and experiences that evoke a deep sense of nostalgia and camaraderie. The song reflects on the passage of time and the enduring bonds formed through laughter, challenges, and cherished moments. These connections, rooted in the past, remind us of the importance of treasuring relationships and celebrating the people who have impacted our lives. Ultimately, it highlights the sentiment that true friendships endure, no matter the distance or time apart.