Is hyper self consciousness really just unhealthy narcissism?

I can't afford therapy, so I'm in the process of deconstructing myself just so I can heal or, at least, heal enough to enjoy life and myself a little more. One nasty habit I've struggled with for the longest is my self-consciousness. Maybe it's because I was a late bloomer, or it's the endless mix of taunts and compliments I've received, but I'm constantly thinking of what other people are thinking or think about me. Thinking because I assume it's a constant act. Think - what representation of me exists in their minds? Constantly thinking. of what. other people. are thinking. about me. Inserting myself in other people's minds and ruminating over what that image of me could be there. Isn't that insane? It's quite narcissistic. The gall to think that strangers, with their own problems, lives, and realities, have enough time to constantly be bothered with me. Is narcissism extreme? A bit, but Google dictionary says Narcissism is "exces...