What is confidence?

A feeling of self-assurance arises from one's appreciation of one's own abilities or qualities.

Things Psychologists Wish You Knew Can Gradually Destroy Self-Esteem- Bustle Article

What can destroy confidence?

1. Surrounding yourself with negative- Misery loves company. 
2. Excessive apologizing- making it your fault
3. Letting negative self-talk control your brain
4. Believing you know what others are thinking-  creating scenarios
5. Giving into fears
6. Saying yes to everyone and everything- Others controlling your day
7. Believing Failure is the worst thing ever
8. Assuming No one likes you
9. Not accepting compliments
10. Comparing your life to someone else

Forbes Article

10 Ways To Build Confidence

1. Get Things Done.
2. Monitor Your Progress.
3. Do The Right Thing.
4. Exercise.
5. Be Fearless.
6. Stand-up For Yourself.
7. Follow Through.
8. Think Long-term.

       9. Don’t Care what others think

    10. Do more of what makes you happy