Navigating the complex world of long-term relationships? This tier list breaks down the essential qualities that truly matter when building a lasting connection. From foundational elements like healthy communication and shared values to practical considerations like financial stability (has a job, saves money, owns property) and future goals (shared desire of wanting or not wanting children), we're ranking what makes a partner truly "S-Tier" material. Discover where crucial factors like accountability, knowing what they want, and even a sense of humor fall, and contrast them with potential red flags like addiction or excessive short-term relations. Let's figure out what truly defines a keeper.