Confidence is a the emotion of someone being happy of what they know, look like and feel like. A positive example, could be someone being happy of how and what they look like.[1] A negative example can be someone thinking too much of themselves where they act rude and better than everyone else.[2]
↑Judge, Timothy A.; Erez, Amir; Bono, Joyce E.; Thoresen, Carl J. (2002-09-01). "Are measures of self-esteem, neuroticism, locus of control, and generalized self-efficacy indicators of a common core construct?". Journal of Personality and Social Psychology. 83 (3): 693–710. doi:10.1037/0022-3514.83.3.693. ISSN1939-1315. PMID12219863. S2CID18551901.