I have no idea how they make connections between your personality and the kind of coffee you drink. If you ask me the kind of coffee you drink has nothing to do with your personality it has to do with your taste buds, but what do I know?
A clinical psychologist studied 1,000 coffee drinkers and drew some connection between the coffee you drink and your personality. According to the Daily Mail here's what he found
Black coffee drinkers are straightforward, quiet, and set in their ways.