This whole introvert/extrovert thing as understood here is not grounded in science. First of all, everyone gets drained from social interaction. That's how our

This whole introvert/extrovert thing as understood here is not grounded in science. First of all, everyone gets drained from social interaction. That's how our species behaves. Second, the real definition of introvertism and extravertism relates to one's focus - on internal thoughts or the outside world respectively. Lastly, most of the population is neither in any significant capacity. Interestingly, an actual extravert is drained comparatively more from social interactions, as to the introvert it doesn't even occur to care about drama.