I'm wondering how you're going about getting that self-confidence. High confidence is often a mark of high self-esteem and you don't really seemed to have tackled those issues. That is, you're trying to copy the symptoms of high self-confidence without actually getting the disease (i'm sorry, I can't think of a better metaphor right now...really sorry). I have reasonably good confidence and I still found a reading of Six Pillars of Self-Esteem to be great. Here's a sumamry of them:
Tom McMahon: The Six Pillars of Self-Esteem