My most recent "weird state" was a coupla weeks back.

My Humanist group has a Writers Group and we were putting on a presentation of our writings for the whole (congregation? assembly? whoever-shows-up) and I'd been looking forward to it.

I had stuff ready to go. I'd even done the read-aloud timings. It was "clean" in the sense that none my stuff was obviously from "out of our Closet". (Even though some of the pieces, I've published them here.)

...

And I backed out.
And I have no idea why.

As best as I can describe it, it felt like Writer's Block (but the stuff was/is written!) combined with no desire to write. Or even present. And no, not "stage fright", either.
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I think folks who can/do introspect (like you, and, I think, me) look around inside our skulls and conclude "It's weird in here."
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Everybody else's stuff went very well.
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Hey! You! Dorothy's Brain - be nice to your Lady, She's worth it!

Sheesh! Play nice already. OK?

Besides, Brain, you need her to walk around, get new experiences, do stuff that gets you your endorphins or serotonins, or whatever is the latest New Thing that the Brain Biochemists are publishing this week.
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Now, I've got to fuel up - we're doing our Fall "Clean and Preen" of our grounds, and then ...

wait for it ...

our Writers Group meeting.
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Afterwards, I can look at our grounds and know "This is nicer, because I helped make it nicer."