But it isn't anything personal, or at least it shouldn't be. It's
just a type. Some structural differences in the brain you happened to be born with. Little different IMO than other impersonal objectifiable traits people can be assorted by—along the same lines as saying I'm 6'1", caucasian, have brown eyes, American nationality, and ENTj sociotype.
Obviously traits like these do decisively influence our life experience; if I were an awesome basketball player my height likely wouldn't have been enough to go pro, and the fact that I was born here predisposed me to a vastly different upbringing relative to some place like Bhutan.
None of these traits are personal though—at best they're demographic stats (of course some do personalize such things and attach subjective weight to race, nationality… and sociotype
). But in any momentary departure into existentialist questions of 'self-identity', neither my type nor any of those other traits ever registers upon my mind; I'm me, it doesn't need qualification.
In any literal sense, my type amounts to… what? Some parameters that regulate fluctuations of some brainwave patterns going off inside my skull. Well, that doesn't sound terribly impressive. But is interesting in and of itself, and given that you have to play the hand you're dealt in life, I figure it's a good idea to have some working knowledge about it. My type isn't me, but it is a set of conditions influencing how I operate. Part of the means I have to work with, but ultimately doesn't determine me nor my ends chosen.