“Confidence comes not from always being right but not fearing to be wrong.”
When you have a moment…..
Read: Building Confidence and Self-Esteem (17 Simple Suggestions for Improvement (Psychology Today)
Consider: Assertiveness Training
Make three lists: one of your strengths, one of your achievements, and one of the things that you admire about yourself. Try to get a friend or relative to help you with these lists. Keep the lists in a safe place and read through them regularly.