Have you been interviewed and typed by them? Was it worth the money?
I'm inclined to agree with 458 for you, for what it's worth which isn't much. I've seen you approach and own some pretty dark places, which a 7 would want to avoid and sugar coat.
Yeah, I was interviewed. I didn't think it was worth it from an enneagram perspective--perhaps because I'd already done the research and knew myself fairly well and was just interested in what a professional might say. It was actually super-awkward. She admitted at the end she didn't have a super-clear read and didn't know me and might be wrong. What I found more valuable was that Katherine actually acknowledged things in my childhood that no one else had and which had caused me enormous difficulty. I won't get into them here (you can read all my other posts), but she was shocked that the adults just let this shit happen. That reaction in and of itself was worth the money I paid. I can't guarantee you will have a similar experience.
Fwiw, Katherine also typed me as soc/sp. Does that seem right to anyone? It doesn't to me, and wouldn't explain my life story and values system very well, nor would it explain the liberation I got from typing as sx-first. But, anti-social soc-first would be a consideration at least. Someone who knew me well and knew the instincts well would have to explain why.
As to 458. Briefly. When I first learned about tritype, my thoughts were like, OK, I'm some combination of 458. It makes sense when you look at my personality. The problem is, I don't identify with that description. Even a little. (Even the stuff Katherine told me about it off the record. Like no. Not me.) Then everyone on PerC told me I was a 6 because I identify with 4, 5, and 8, and that argument was already lost.
Even after I left PerC, I still typed as 6-fixed forever, but in the end realized that I'd been looking for years for evidence of 6 and it just wasn't there. Five-fix, I also struggle to see where it specifically shows up, but if you disregard the descriptions, it makes infinitely more sense than 6. So you're not wrong there and you've said the reasons why.
Katherine said, though, that a 7-fix is defined by constant ideas. And when push comes to shove, I have found that to be true. Not in an Ne way, but more a sense of dreaming of options and creating stories when I'm in a jam, or at worst, frenetic escapism and terror. I can probably elaborate on this in some future tritype thread, won't bore y'all here.