You should start by starting a business it will teach you all you need to know about psychology .... and some more :) I'm doing business and psychology/self dev

You should start by starting a business it will teach you all you need to know about psychology .... and some more :) I'm doing business and psychology/self development for the last 7 years and unfortunately, the idea of being good at business because somebody is good at understanding human behavior has huge flaws.