The reply you never sent, drafted four times
A Gemini Moon in the 12th house holds its conversations internally. The exchange is rehearsed, the argument is won, the honest thing is said in full, and none of it happens outside your own head, which is why the same subject can occupy you for a fortnight.
That produces an unusually rich interior and a specific isolation. You know exactly what you think, in detail and with the counter-arguments considered, and the people involved have received none of it.
You hear what is not being said
Around other people you pick up the subtext continuously: what somebody is avoiding, the sentence that was almost said, the thing that would be true if the words were rearranged. It is accurate and exhausting. In quiet rooms it stops, which is the actual reason company tires you rather than any dislike of it.
The private page is where your real thinking is
Writing that nobody reads, notes to yourself, a running record kept for years: this is where you are most honest and most precise. Nothing about it needs to become public. But it is worth knowing that it is the location of your actual position, and that speech gives a considerably edited version.
Silence is where the mind speeds up
Solitude does not calm you here; it removes the distraction from a mind that then runs at full speed on whatever is unresolved, particularly at night. That is why quiet evenings can be worse than busy ones. The remedy is not more company but a way of getting the loops out: paper, a recording, anything external.
Say one unfinished thing to somebody
The habit here is to wait until a thought is properly worked out and then to have missed the moment. Say the half-formed version to a person, out loud, before it is ready. What that produces is a conversation rather than a rehearsal, and conversations are what this arrangement is short of.
The nights are where it shows
Your strain arrives as a mind that will not close: the exchange replayed with variations, the message composed at two, sleep that never quite deepens. It is not anxiety about anything in particular, it is processing with nowhere to go. Paper by the bed, used while the loops are running, does more here than any amount of trying to settle.
Getting the inside out into the world
Your best material is generated in a place with no output: arguments constructed and never made, connections noticed and never mentioned, whole pieces of thinking that circulate for years without ever being set down. Nothing improves under those conditions, it merely repeats. Setting one thing down badly and showing it to somebody converts it into something that can be worked on, which is the transition this position almost never makes.
You have had the conversation without them
By the time you raise something with a partner you have run it a dozen times internally, so you arrive at a discussion they are entering for the first time and expect them to keep up. That mismatch causes a great deal of trouble. Say it earlier and less completely, while it is still a question rather than a verdict.
You leave a gathering with your head full
Time with people is enjoyable and produces hours of subsequent internal traffic: what was meant, what you should have said, the thing somebody nearly told you. That is why a good evening can be followed by a difficult night. Build a wind-down that involves writing rather than thinking, since thinking is the problem.
The best work happens where nobody is watching
There is a considerable gap between what you produce with a closed door and what you produce in a room where anybody might speak to you at any moment, and only you have ever seen both figures. Colleagues assume the visible version is the whole of your capacity. State the requirement in terms of the work rather than of comfort, and state it while you are being hired rather than afterwards. Ask for the arrangement in terms of output rather than preference, since that is the version an employer can act on.