How is this related to productivity? Sales people require lots of energy and enthusiasm... which is a trait of extroverts. When you're an introverted sales person, you're likely to have a bad time! ...
I talk to myself aloud through out the day. I never felt it weird. But it does get embarrassing when colleagues give you weird looks. I know I am not alone though. Also I am introvert. So it sort of ...
I consider myself an introvert and never spoke much. For example, when I'm in class and I know and answer to a question my professor asks, I usually don't say anything. And when I'm eating with ...