> Isn't it fundamentally impossible No. Can an extrovert become more introverted? Of course. It may not feel "right" but it's fundamentally possible. The brai

> Isn't it fundamentally impossible No. Can an extrovert become more introverted? Of course. It may not feel "right" but it's fundamentally possible. The brain (more precisely, the stories we tell ourselves) are malleable. Age, location, friends, lovers, jobs, all weigh on which type of -vert you are. That's been my experience anyway. Although I do think it's a slope with introverted at the bottom. I.e. it may be easier for an extrovert to become introverted than the opposite.