How I Botched the Acetylcholine Test

I am a textbook introvert. As many sites on the internet will tell you, this is nothing unusual. All it really means is that much as I find interactions with people necessary and even rewarding, I can also find them draining. This would seem to be true of anywhere from 30-50% of the population. An upshot of being an introvert is the holidays can be especially draining with parties and gatherings. You would think I wouldn’t have found this year as draining given that gatherings have been discoura...