The one I had fallen for showed no appreciation at all, and my heart returned rejected like worthless, unsellable goods.

Here, the poet captures the sharp sting of unrequited love through the vivid imagery of a marketplace. The heart, offered with complete sincerity to the only person who mattered, was dismissed as though it were defective or worthless goods. It reflects that quiet, crushing humiliation of having your deepest affection returned to you unsold, unwanted, and stripped of all value.