However, he cautioned, the research looked only at the temporary effects of acting extraverted. No one knows if doing that repeatedly would ultimately make for a happier life.
Still, Zelenski -- who described himself as somewhat introverted -- said, "My advice to a shy person would be to try pushing yourself a little. Strike up a little conversation with that person with you in the elevator. It's possible that small moments of more-positive emotions could add up."
And maybe go to that party you fear will be a waste of time. "I think," Zelenski said, "we introverts often find out that things are more fun than we thought they'd be."
The American Psychological Association has more on painful shyness.
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