This is a good paradox and there's actually a good explanation for it. I'm schizophrenic and my verbal IQ is just a little above average.Not to put you down in any way, but because your brag you're a good author, you do leave a bit of doubt:
But maybe the mechanics of writing, grammar and punctuation, are simply your weaknesses among otherwise excellent writing skills, which I'm going to assume is the case.
Almost everyone has something we're they are superior. ["where" ?]
There's too many measures that don't line up. [disagreement between subject and predicate]
I'm 134 on the WAIS-II, my last test; [missing comma before a parenthetical expression]
My working memory is 1 in 2000, and I have had schizophrenia which lowers it, so without my schizophrenia it's even higher.
[missing comma in a compound sentence] [missing comma before a coordinating conjunction]
.
It takes a long time for me to proofread my books. Some days I can't even read them for mistakes. Yesterday and today I couldn't read a thing.
If I write my books on good days, hopefully my grammar is better. It takes a lot of reading!