There is usually a gap between knowing something and being able to look at it. In that gap the mind does strange work: it explains, excuses, reorders the story so it stays liveable. Then something shifts — a sentence, a silence, a small inconsistency — and the explanation stops holding. If something is surfacing for you right now, hold it in mind and turn a card.
Conflict where everyone loses, hollow victory, or hostile environment. Winning the battle but losing the war.
Read against what is surfacing, Five of Swords puts the weight on conflict and defeat. Read against something surfacing, a card points at what the knowing costs. Truth is rarely the hard part; the hard part is what becomes impossible to keep doing once you admit it. That is why the mind delays — not to stay ignorant, but to stay comfortable.
The same card has an opposite face, and it is worth holding both. End of conflicts, reconciliation, or recognizing the fight isn't worth it.
So sit with the question you arrived with — What have I half-known for a while? — and notice which of the two readings you flinched at. That flinch is the reading. It is the one piece of this page that came from you rather than from the deck, and it is the only piece that can change anything.
Some battles aren't worth winning. Choose your fights wisely.
Nothing here can tell you what happened. It can tell you what you already suspect and have not said out loud yet — and saying it out loud is usually the whole of the next step.