With a good Confidence:
You believe or trust in your abilities, qualities, judgement or the certainty of an outcome. It is a psychological state that influences how you perceive yourself and your capacity to handle situations, achieve goals or make decisions.
 
The Key Aspects of Confidence:
Self-belief (to believe in yourself)
Self-assuredness (to be certain of yourself)
Assertiveness (to communicate with Confidence, Respect, Clarity and Control)
Resilience (the ability to recover quickly)