In Cong Bac's novel, "Flowers That Never Return," most people find it easy to let go of or reconcile with their past. But for the protagonist, it's a different story. This isn't about others, nor is it about ambition, and certainly not about disappointment. It's a deeply personal struggle. He once told her she would surely regret her choices. But now, who is truly burdened by a lifetime of regret? It is he.