But, if you can ditch that habit, you're likely to become much more successful, says Talia Fox. I call it self-centered fear," Fox tells CNBC Make It. "Anytime I'm about to take an action, the thing that stops me from taking the action is worrying about what someone might think about me." Two decades ago, self-centered fear put Fox on the brink of an emotional breakdown as a Master's student at Howard University. She went on to become CEO at her coaching firm, a role she's held for over 20 years, according to LinkedIn.

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Persons: Talia Fox, Fox Organizations: Kusi, D.C, Harvard School of Public Health, Fox, CNBC, Howard University, LinkedIn Locations: Washington