I think the friendly way to say it is that most people(yourself included) only achieve a medium/expert level of competence in one or two areas of their life. In

I think the friendly way to say it is that most people(yourself included) only achieve a medium/expert level of competence in one or two areas of their life. In the other areas, most of us are just bumbling through. Unfortunately though, manners require us to speak about various topics, leading to the bumbling side of humanity to be exposed in droves.