The INFJ does not live in the same world as the ISTJ. They’re both introverts (I) and judging (J) types, but that’s about it. One is intuitive (N) and the other sensing (S). One is feeling (F) and the other thinking (T).
Differences of Opinion
If you’re an INFJ in a relationship with an ISTJ, be prepared for differences in opinion. As an INFJ, I’ve had problems with some ISTJs in the past, and I’ve seen them happen in other INFJ-ISTJ relationships. As a result, this blog is as much a personal statement as it is the sharing of professional knowledge about Myers-Briggs types.
The ISTJ believes that everything must be seen, heard, or measured to be real. The hunches of the INFJ, frequently based on limited information, may seem outlandish to ISTJs—even though the INFJ is usually correct. Also, the emotional component of INFJ thinking doesn’t make sense to most ISTJs. They believe in making decisions based on hard data. They consider feelings to be mostly irrelevant, except for their own—which they believe are based on reality, not state of mind. INFJs consider ISTJs too literal and lacking in imagination. What’s the use of gathering so much information, thinks the INFJ, when the conclusion is obvious?
How to Handle Conflicts
To negotiate disagreements or differences of opinion with ISTJs, INFJs need to back up their points with literal, objective examples, not subjective feelings or abstract ideas. Discussions should be concrete and matter-of-fact, not emotional. If an argument concerns an expenditure, for example, INFJs should not dwell on how important a desired item is to them. They should focus on needs the item meets, the benefits it offers, and its impact on their financial resources.
Let’s say an INFJ female partner in a relationship with an ISTJ wants to buy a canoe. She’s pretty sure it’s within their budget, although she hasn’t done the calculations. She thinks canoeing would be good exercise for them both. She knows of nearby rivers and lakes where they could launch their boat. But mostly, she wants the pleasure of being out on the water with her partner. This last argument for a canoe is not the first one she should use. After broaching the subject, she should be prepared to go over the family budget with the ISTJ partner, look into the purchase price of canoes, and consult maps about available sites for canoeing. She might even raise the topic of exercise benefits.
Construct: Conflict Resolution
The diagram shows how INFJs and ISTJs handle this type of decision. The triangle represents a construct—the prospect of buying a canoe. (The dictionary defines “construct” as “an idea or theory containing various conceptual elements.”) The green circle at the top of the triangle represents the INFJ, who, as an intuitive (I), generally approaches ideas from the top down, looking at the whole before investigating the parts. The red circle at the bottom represents the ISTJ, who, being a sensing (S) type, looks at bottom-line details first and then decides whether they fit into a larger construct. The question is, how do the two Myers-Briggs types meet in the middle?
The best way for an INFJ to discuss the matter of a canoe purchase with an ESTJ is to deal with information, not feelings. This approach draws the ISTJs mind further up into the overall construct of buying a canoe. If the INFJ and ISTJ are lucky, they will meet in the grey zone in the diagram. Then, hopefully, they can head happily to a sporting goods store.
Despite their personality differences, some INFJs and ISTJs have undoubtedly developed the skills to sidestep conflicts. I was never very successful.