Lack of self-confidence is much more common than one would think. And it makes people waste huge amounts of energy on questioning themselves and misreading others' reactions. Often it prevents people from taking risks, sharing ideas, giving feedback and it can even lead to inaction.
Help people be more self-compassionate and be more resilient in face of difficult situations.
Identify some of your strengths and apply them on your day-to-day.
Give your internal dialogue a twist like you were talking to a friend who asked you for advice.
"Throughout the challenges I've learned to value some skills of mine and to put some insecurities into perspective."