Author Talk with Ethan Kross "Chatter: The Voice in Our Head, Why It Matters, and How to Harness It:

The most important conversation we have each day isn’t with our boss, spouse, or friends: it’s the one we have with ourselves. When facing a challenging task, our inner voice can motivate us and help us keep our focus. But often, we come up against the nagging voice that tells us we can’t do it or that people will laugh at us if we try. The million-dollar question is how can we transform our self-saboteur, determined to undermine our success, into an internal life coach that will buoy us up and help us expand our potential?