Ox/Leo and Horse/Capricorn meet at 50-54%, a fully cross pairing of two workers who never clock out: a proud, grim perfectionist and a thrifty grinder who finds the grindstone genuinely delightful. Admirable separately; airless together.
Horse/Capricorn is a loving spouse and attentive parent, practical to the bone, and by its own admission a bit of a square. Ox/Leo hides deep feeling behind profound personal silence and needs outside affection to jump-start its sentimental engine. Two engines waiting for a spark, and neither one carries matches.
Both speak fluent duty and halting tenderness. The Horse reports on tasks, the Ox conceals every mistake to protect its dignity, and whole seasons can pass without either saying anything that was not, strictly speaking, necessary.
Friction lives in the sameness. The Ox's micromanagement collides with the Horse's own fixed routines, and with no playful third element, small corrections harden into silent standoffs between two natures too proud and too practical to sulk out loud.
Each needs a mate who can instill playfulness, and neither is naturally that mate, which is the honest problem. But if either dares to be silly first, the other's relief is enormous, and the devotion underneath is absolutely real.
At 50-54%, Ox/Leo and Horse/Capricorn are mismatched but possible: a solid, dutiful, joy-starved partnership unless one of them learns to play on purpose.