Your body language sends constant signals to your brain—either 'I'm safe' or 'I'm not safe.' Social psychologist Amy Cuddy reveals how postural feedback, self-affirmation, and reframing anxiety as excitement rebuild personal power, overcome imposter syndrome affecting 75–85% of people, and unlock the confidence to pursue your biggest challenges. Personal power—the belief you deserve to bring your best self to challenges—is built through postural feedback, self-affirmation tied to core values, and trusted interpersonal relationships, not through false confidence alone.