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.
The High Priestess represents inner wisdom and the mysteries of the subconscious. Listen to your inner voice and trust your intuition. The answers you seek are within you, accessible through meditation and silent reflection.
Read against what is surfacing, The High Priestess puts the weight on intuition and mystery. 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. Reversed, it may indicate you are ignoring your intuition or secrets are being revealed. Perhaps you seek answers externally when you should look within. Reconnect with your inner wisdom.
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.
Quiet your mind and listen to your heart. The answer is already within you.
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.