One of the great challenges for many people is to find out who they are, so that they can find their path through life. There are several psychological profile tests that claim to give a quick answer. One popular tool is the Myers-Briggs Type Indicator (or MBTI) which states there are four pairs of oposing personality preferences --Introvert/Extrovert, Sensing/iNtuition, Thinking/Feeling, and Judging/Perceiving—- that can be combined to form 16 basic personality types, such as ESTP, ISFJ, etc. By answering a series of questions, you then figure out “your personality type.”