As I have been researching MBTI in various places I have found many who have taken on their MBTI as an important part of who they are. Some even play along to this role, or pretend to be a different type than they actually are. They even try to belittle some of the other types that they think are inferior to the type they have chosen for themselves. If you mention Astrology they then turn around and say it is all bullshit. Those who are unconversant of the facts often do.
For instance, Myers-Briggs Type Indicator (MBTI). These preferences were extrapolated from the typological theories proposed by Carl Gustav Jung and first published in his 1921 book Psychological Types.
Carl Jung on researching Astrology himself claimed it is connected to psychology. Here are some quotes from him about Astrology:
We are born at a given moment in a given place and like vintage years of wine we have the qualities of the year and of the season in which we are born. Astrology does not lay claim to anything else. - C.G.Jung
The starry vault of heaven is in truth the open book of cosmic projection, in which are reflected the mythologems, i.e., the archetypes. In this vision astrology and alchemy, the two classical functionaries of the psychology of the collective unconscious, join hands. - Carl .G. Jung
Synchronicity does not admit causality in the analogy between terrestrial events and astrological constellations ... What astrology can establish are the analogous events, but not that either series is the cause or the effect of the other. (For instance, the same constellation may at one time signify a catastrophe and at another time, in the same case, a cold in the head.) ... In any case, astrology occupies a unique and special position among the intuitive methods... I have observed many cases where a well-defined psychological phase, or an analogous event, was accompanied by a transit (particularly when Saturn and Uranus were affected). - Carl G. Jung
Astrology is knocking at the gates of our universities: A Tübingen professor has switched over to astrology and a course on astrology was given at Cardiff University last year. Astrology is not mere superstition but contains some psychological facts (like theosophy) which are of considerable importance. Astrology has actually nothing to do with the stars but is the 5000-year-old psychology of antiquity and the Middle Ages. - C.G. Jung in a letter to L. Oswald on December 8, 1928, in Carl G. Jung, Letters, vol. 1, 1973MBTI is about Psychology, so is Astrology, Alchemy and Esotericism. They are all connected.