I've taken 2 of the inverted/extroverted myers briggs employment aptitude/interest tests. I only changed one variable and went from extroverted to inverted. I think it had something to do with working out or indoors and with or without people.
_________________
"I'm sorry Katya, my dear, but where we come from, your what's known as a pet; a not quite human novelty. It's why we brought you.... It's nothing to be ashamed of, my dear, but here you are and here you'll sit."