Ox/Sagittarius and Horse/Cancer meet at 50-54%, a cross pairing under honest strain. One lives its whole life in public with an audience always watching; the other drifts through crowds nursing old romantic regrets and impossibly high standards.
Ox/Sagittarius is a born coupler, always in a relationship and sometimes starting the new one before ending the old, while Horse/Cancer has been burned enough to keep its memories in cold storage. The Ox's steady stream of sincere flattery goes straight to the Horse's head, which is exactly what worries the Horse later.
Ox/Sagittarius performs its feelings for the room; Horse/Cancer rations its feelings out in private, maudlin sessions it calls recreational. One talks to witnesses, the other talks to memories, and neither habit reads as sincerity to the other.
The Horse's suspicion of the Ox's overlapping romantic history is the standing fault line, and the Ox's appetite for risk and public drama rattles a partner who wants quiet reassurance. Old wounds get relitigated instead of healed.
Horse/Cancer can teach Ox/Sagittarius that intimacy does not require an audience, and the Ox's forward charge can pull the Horse out of its beloved past. If both actually want that lesson, real repair is possible.
At 50-54%, Ox/Sagittarius and Horse/Cancer are mismatched but possible. Flattery meets scar tissue; it only holds if the Ox closes old doors and the Horse stops reopening its own.