..When someone says something subtle, unimportant, and untrue, and you feel the (nearly) irresistible urge to correct them.
I didn't do that at all until I found out about MBTI.
...you (sometimes?) reject feelings as ridiculously variable/unpredictable and illogical, and look with distaste at anyone who suffers from such an affliction... luckily you don't have any feelings!
I didn't do that at all until I found out about MBTI.