A bathhouse on a hillside taught me more about relationships than most books on the subject. When you build on uneven ground, you learn quickly that a brace fastened with screws but no bearing surface creates a hinge — and hinges loosen under load. Doors start to rub. Windows stick. The failure doesn’t announce itself. It accumulates in small, unaccounted shifts. This essay follows that structural observation all the way down — through friendship, estrangement, cooperation, and what it actually means to become the kind of person someone else can brace against.