What is a thousand years by Christina Perri about?

The song “A Thousand Years” by Christina Perri is a love ballad about a couple who have been together for a long time and are so committed to each other they feel they have known each other for a thousand years. The song reflects on their journey together and the strength of their connection, how they see their love lasting for eternity. The lyrics describe the couple’s shared experiences, like growing old together, and their unwavering support for each other through both happy and difficult times. The song expresses a sense of gratitude for the time they’ve spent together, and the promise that their love will never fade.