Well, in a layman's language, this is a 4-letter personality type that defines you and it can be a result of your childhood, upbringing, and social interactions (mostly family/relatives). It is important to know about all the personality types before you move into married life (or your career).

 

Why is this important to find your partner? Well, you don’t want to be stuck with a spouse who advocates for movies being better than books, do you?