Is It Possible?

Based on Jung's theory of personality and research on Myers-Briggs ones dominate type truly does not change. However as one ages they may begin to explore their opposite side of their preference. So one who is introverted may be more extroverted than before or if they preferred intuition and not a detailed person may become more detailed suggesting more of a sensing individual. Additionally, someone under heavy stress or conflict may completely change and become their exact opposite in type preference. Its referred as being in the grip. So an INTJ may appear to be more of an ESFP or some combo of those differences. However as one is left or right handed true preference likely will not change.