It seems to me that you're bringing various stereotypes into play here. "SPs act one way. NPs act another way. NJs act another way."
If you're typing based on text alone, you have to look at how someone communicates and what patterns it fits into. If that wasn't what you were looking for, or somehow feel that it's an invalid way to approach typing, then you shouldn't have started a thread in an online forum based on the subject. There are threads on this website where people can type you based on voice and video. Perhaps you would find the answers you get from those sources to be both more valid and more respectful of your individuality.
Really, I don't think I can actually be Se dominant or auxiliary because Se is all about living in the present, interacting with the environment, the senses we have readily available to us.
Which, based on the way you communicate about yourself and the world, is what I believe you do.
Personally, I'm not action-oriented in the slightest -- also, I can't place the physical world above all else (or as any kind of top priority) because I have not yet figured out what the physical world truly encompasses. The limits of physicality, and the divider between what 'is' and what is 'perceived', if there is any such division.
So this sounds like someone who falls on the Ni/Se axis. The bolded could read Ne/Si or Ni-dom, but your explanation sounds again Ni/Se.
I don't think I'm a 3, I think I'm a 4, and I cannot really address me being a 'performer' because my inclination to perform comes and goes depending on the situation. I do think a lot, but I'm not a 6, though I went through a lengthy period trying to pigeonhole myself into that type since everyone else insisted I was. "You ask a forum for help? You must doubt yourself -- definitely a 6w7." I most certainly do not have an excess of self-doubt. Rather, I consider myself self-aware to an extreme and it is easy to get caught up in all the perspectives I can see, especially when it comes to myself. My trifix is 451 or possibly 458, I am very much a 5 head-fixer.
Again, ignoring content here, the way you present this information here resonates more with Ni/Se than Ne/Si. Your previous posts establish you as Fi/Te, but the
way you present them and prioritize them (namely Fi-values first) strikes me as someone who prefers Fi over Te.
So, to review: what I'm certain of is that you're respectively on the Se/Ni and Fi/Te axes. That leaves us the possibilities of NTJ or SFP. If you're INTJ, then I'll acknowledge the possibility that being a 4w3 is gonna make you vibe different than you're typical head fixer INTJs. And I've encountered other women who are INTJ 4s, so I've seen how that can highlight the Fi-usage and give a more NF-y feeling to the individual. The possibility exists that what I could be seeing as Pe could simply be P-dom. Otoh, if you are SFP and a 6w7, then that's going to give more prominence to Ni as well as to Te.
What it comes down to then is whether you're sensor or whether you're intuitive. I don't see clear evidence in this thread that you are intuitive, and with Ni-doms it's more blatant than with most. INJ communication style is fascinating because of its perchance for meta-perspective. There's a constant interstitial play between meaning, possible interpreted meaning, and even unintended meaning. You occasionally seem to try at that, but it's not done in a consistent nor sophisticated enough fashion for me to identify Ni as your dominant function.
Everything I've said to you thus far is the opinion of a disinterested third party. Hooray if you're INTJ, and hooray if you're not. If you feel that to be the typing to whom you gravitate more towards, then you should go for it.