If you think your demeanor is mellow or not particularly charismatic, the material can life you higher. So write everyday, and get onstage or in a coffee shop where they are doing open mice, anywhere you can perform even if that means starting your own open mic night - and be your own self.
We do each have an intellect but there's a universal intellect which is the same for everybody, as it were. And this single intellect is grasping the platonic forms.