This just proves he's an F, not necessarily an NF.
Betas are all about
external emoting. Loud jokes, loud laughing, loud music, straightfoward expression, simplistic mythical shorthand -it's all aimed at creating a truly holistic community. Possibly more than any other quadra. The one thing that Betas do
not like is private feelings- private wounds, personal grudges, personal attacks, subjective value judgements, even some might say sincerity in general. These destroy the group's unity. I was once looking for some weightlifting advice from an ESTp friend, and when I said that I often had a sort of shyness about lifting in front of others, his eyes glazed over as if the information did not even compute. They don't really understand these private hurts. They're like badass cyborgs who will destroy everybody with their cool. calculating nature. Something I admire, but, seriously they require very unambigious emotional feedback. Someone else compared Nas to Tupac. Just basic V.I can show you how different these two are.
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It's very obvious what Tupac is feeling in this picture. He's radiating happiness. Also, if you just listen to some of his songs, you can see how they are intended for broad appeal. "Dear Mama" for example. Of course there are a few examples of the specifics from Tupac's life, but his mother in that song is almost a mythical stand-in for all mothers. When he gets to his hook, most people can I.D. with wanting their mothers to know they are appreciated. He's a holistic visionary.
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Compare this to Nas. Whatever the fuck is going on inside of him emotionally, here, probably can't be easily delineated into emotional categories like "happy" or "sad". A song of his that I've been particularly obsessed with, "Get Down", is chock full of esoteric references. He elliptically eludes to Clarence Heatley's kidnapping of Rich Porter, and his cousin who is a Crip. To paraphrase Umberto Eco, another Fi user, there are some references so close that only he can see them. He's a subjective valuer.
I do believe he uses Ni, but that's because he's an Gamma introvert and therefore in touch with his inner world of both Ni + Fi. In the same way you'll often hear ENFps sharing information they find pertinent, etc. My typing is ESI.