When you enter an unfamiliar environment or ponder a difficult decision, what do you feel? Do you second-guess yourself or agonize over what to do? Confident people are not immune from self-doubt, but they enjoy a strong sense of security, clarity, and trust in themselves. Confidence affects every area of your life, including work and relationships. Many experiences can damage your confidence, but it's worth making the effort to build it back up again. Selfconfidence workbook why confidence matters.