Psychology is a science that branch from many branches in the world. Not change but still doubt u always that psychology is, learn it? Often the answer and that even studied psychology and haven't anything concrete.However, the understanding in the science of psychology. May help to expand the thinking to broader both about themselves, others, the environment around. Which may lead to the development of professional skills development. Development of self, others.Help the coexistence in the society have more efficiency. Psychology is the science that deals with all kinds of people