I am an ISFJ. My husband is an INTJ. I’ve heard it said, that when looking for a mate, one should seek to find someone who shares the same preferences on the middle two letters in the Myers Briggs personality assessment.
Notice our middle letters: “SF” and “NT”.
In fact, just last week, when a friend of mine found out I am certified in Myers Briggs, she intensely asked, “Is it true that if your middle letters are different, you’ll never last in a relationship with that person?” I calmly said, “Well, my husband and I are making it, and our middle letters do not match.”
We are different, my husband and me. Very very different.
While it is helpful that our outside letters (“I” and “J”) are the same, it is amazing how differently we see the world. Look at our “heads” below and notice these words that are opposites: