One of the many dictionary references describes confidence as:
con·fi·dence - a feeling of self-assurance arising from one's appreciation of one's own abilities or qualities. "she's brimming with confidence"
Confidence is intrinsic, meaning that this is something that is inside of each of us. For some confidence is always there, but for others, there is a constant need to remind ourselves of what we are good at. If the latter is you, continue reading.