The secondary reality I adjourn to when I exit the primary one in my head.
"There is no god; there is only us. Savage and fragile."
Reality, to me, is everything I perceive to exist.
It seems real to me that the Sun goes round the Earth, but I know this is just an illusion of reality, and the reality is that the Earth goes round the Sun.
And in the same way it seems that MBTI is a helpful personality test, whereas we find that a helpful personality test is administered and interpreted by a qualified psychometrician.
For the high school graduate it is astrology; and for the college graduate it is MBTI; and for the University graduate it is psychometrics.