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. A negative example can be someone thinking too much of themselves where they act rude and better than everyone else.
- Snyder, C. R.; Lopez, Shane J. (2009-01-01). Oxford Handbook of Positive Psychology. Oxford University Press. ISBN 978-0-19-518724-3.
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