Confidence and Anxiety
Chronic anxiety can hinder performance across various aspects of life, as it keeps the brain in a threat mindset. Moderate anxiety, however, can be beneficial and motivate us to stretch our abilities. Building confidence often requires "faking it" until it becomes a habit, which can be achieved through repetition and overcoming self-doubt. A slight edge of overconfidence is preferable, as it can lead to greater opportunities and successes.In this clip
From this podcast

Chasing Life
Want to be Happier? Confidence Can Help
Related Questions
What exactly happens in our brain when we're afraid of doing something challenging, and why does action cure fear, as discussed in the episode The Neuroscience of Confidence | Ian Robertson and the clip Confidence and Health?
Can you explain more about the neuroscience of confidence?
What do experts say about gaining confidence?