I have... zero self doubt. Any "I can't do this" anxiety I get is related to my lack of prep-time, not my concern for my aptitude. I believe I can accomplish

I have... zero self doubt. Any "I can't do this" anxiety I get is related to my lack of prep-time, not my concern for my aptitude. I believe I can accomplish anything, given some time and practice. Does this mean I'm an oblivious narcissist? I hadn't even considered the possibility...