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I seriously hope that wink implied a joke...
I think it is possible, to a certain extent, to convince yourself that you prefer one style over another.
...
His new wife is a definite E (or possibly the same as him, an I masquerading as an E.) She pushes him to go to parties, spends more time socializing than he ever did when married to my mom. She is the extra thing that evens out the places that he fails, smooths out the gaffes and navigates the subtler aspects of the rich-wives-who-sit-at-home-all-day drama.
Well, if you have to force yourself or someone to get out, then that's not an extrovert. It should be something that revitalizes you.
My brother is a very strong extrovert and he always has plans for what he's going to do... Like going on trips, parties, and hanging out. He is genuainely excited by the prospect of going out. He gets depressed when he doesn't get out very often.
I'm the polar opposite. I force myself to go out. If I'm not social for long periods of time, then I feel fine actually. If I don't spend time to myself on the otherhand, I start to feel a bit crazy. It's like I NEED this time to myself, and my brother NEEDS time with other people.
It's like trying to change your sexuality. Sure, it's fluid, and subjective, and labels are a socially imposed thing. But telling yourself that you don't feel something, trying to excise that part of your brain? More trouble than it's worth.
That's a good point. I feel like I could change my sexuality actually, but I wouldn't want to. It would be a change of mindset. I could even convince myself to find women repulsive.
What about comparing it to something like OCD. I used to have it pretty bad, but I was able to free myself from it. At some point I realized having mild OCD is actually a good thing for me, so now I try to maintain a certain level of it.
Or, what about comparing it to being overweight. When you lose the weight, you can still identify as being overweight. You identity is not inline with reality. This is also something that you can change by altering your mindset.
The more that I think about it, the more I have faith that it's possible.