Relational orientation
Closeness for an LII is the output of a judgment rather than of an attraction. The type page states the starting position without softening it: LIIs "tend to keep all acquaintances at a large psychological distance whether they are strangers or family members or friends". That is closer to one setting than to a range, and the IJ temperament holds it steady — the same distance whether the person is a stranger or a friend, and not much moved by which of them is in the room.
What shortens it is a finding. Vera Stratiyevskaya states the condition precisely: "At the initial stage of relations, the LII characteristically keeps at a large interpersonal distance, which is shortened only when he becomes convinced that the ethical principles of a partner are compatible with his own persuasions." Somebody is let closer because of a conclusion reached about them, and the conclusion is about principles rather than about warmth or usefulness.
Leading Introverted Logic (Ti) is why conduct in this architecture runs off principle instead of off custom. The type page describes a "Ti-centric approach to conventional morality" and a felt duty to observe the ordinary proprieties — an etiquette derived rather than absorbed, which is why it can come out slightly stiff. What arrives as formality is usually a rule being applied, and the rule is applied to the type first.
The other face of that is easy to undervalue, and it is real. LIIs "do not generally apply moral judgments to others and often do not like to be judged themselves", and the type page credits them with a settled tolerance: they "typically tolerate unusual lifestyles and they usually tolerate differing viewpoints". Creative Extroverted Intuition (Ne) keeps the framework open at the edges. An intimate of an LII is a great many things, but under assessment is not one of them.
Gulenko's scheme of erotic attitudes places LII with the Infantile types, the group holding Ne in the Ego — half of them here in Alpha and half in Delta. The term belongs to the scheme and not to ordinary English: it says which element runs romantic conduct and says nothing about anyone being childish. The scheme is one account rather than the account: Valentina Meged and Aleksandr Bukalov organize the same material by quadra rather than by element.
Closeness and trust
What an LII takes in from the people close to it is warmth it does not generate and care it does not organise. Extroverted Ethics (Fe) is this architecture's suggestive function, with Introverted Sensing (Si) mobilizing behind it, and the type page reports both plainly: LIIs are "highly sensitive to the signs of emotional approval that they receive from others", and value the effort other people make to bring them into a room they would otherwise stand at the edge of.
The second half of that goes further than it first appears, because for this type practical care is not a service accompanying affection — it is the evidence for it. Stratiyevskaya puts the working version in a phrase: an LII trusts someone who "loves while caring, and cares with love". She also states the negative case, and it is uncomfortable enough to be worth quoting rather than summarising: "If his partner doesn't show proper (in LII's opinion) attention to his conveniences, sensations, comfort, and lifestyle, the feelings of such partner the LII does not believe." Declared feeling with nothing attached does not register as feeling. Attention to an ordinary day does.
What sits behind the manner is stated by the source rather than inferred from it: "The outer, external severity and coldness of the LII is nothing more than a defensive shield of his inner sensitive soul." The type page has the observable version. Where an LII feels unconditionally accepted it "may drop their tendency towards aloofness and engage in uncharacteristic silliness" — a sentence worth taking literally, because the silliness is not a lapse in the reserve but what the reserve was covering.
There is a checking move, and its trigger is named in the source rather than left to inference. "If he is not sufficiently convinced by incoming information, then he is inclined to test the feelings of his partner." The cause is a shortfall of information, not a suspicion about a person, and the checking stops when the information arrives — which is the practical difference between this and a temperament that needs reassuring.
One finding reorganises everything above it, and it comes from the type's own school. Gulenko records that the more an LII sympathises with somebody inwardly, the less it shows outwardly. Read beside the shield and the checking, that inverts the ordinary inference an intimate would draw: the cooler treatment in a room may be the closer reading of it, and the warmth on offer elsewhere may mean rather less.
What this type gives, and what is easy to miss underneath the flatness, is unhurried attention. Gulenko describes someone who lets a person finish and takes what they said seriously; the tolerance noted above is the same disposition in a different register. Being heard all the way to the end is rarer than being sympathised with, and it is what is actually on offer here.
Friction patterns
"If someone raises his voice at him, he immediately 'tunes out' and 'disconnects'." Stratiyevskaya's sentence names the mechanism in a line, and it is the page's central friction. Extroverted Sensing (Se) is the point of least resistance: the type page has LIIs responding poorly to volitional pressure and applying it badly, and, faced with a problem that needs direct personal confrontation rather than thought, avoiding the thing altogether. A disagreement conducted as force does not get met, and it does not get met in a specific way — the type goes quiet and stops being reachable, which is not a tactic and is not a comment. The identical position is why there is no pressure coming the other way. The type page records LIIs as "often not cognizant of power dynamics and have little interest in who has control over a situation", and a relationship with this type contains no manoeuvring for the upper hand, because the faculty that would run it is the missing one.
Being roused is read as a slight to the intellect, which is narrower and more specific than a general dislike of intensity. The type page has LIIs seeing attempts to spring them into activity as "crude, intrusive, and insulting to their intelligence", and forceful control as at odds with their intellectual freedom. Worth naming is what the sensitivity protects: the same insistence on reasons is what makes an LII persuadable at all. A case put as a case gets a genuine hearing from a type that will change a settled position when the argument is good, which is not a common thing to be able to say about anybody.
The distance's length is one cost and its immobility is another. The type page names the second directly: LIIs "typically struggle in shifting psychological distance" and may not know what closeness a given situation calls for, coming across as dry and formal where something warmer was expected — and, from the same source, "characteristically blunt and unrespecting of relational boundaries", which is the same immobility arriving from the near side instead of the far one. What travels with it is that an intimate meets exactly the person a colleague meets. There is no public version of this type and no managed face; the flatness and the absence of performance are one property, and only one of them is a cost.
The reading gap underneath the checking above is stated by the type page without euphemism: LIIs "can experience difficulty understanding their disposition or the disposition of others towards them, especially when no obvious emotional signs are given." The requirement for explicit signs has a quiet compensation. This type does not construct a grievance out of an ambiguous silence, does not read a short reply as a verdict, and is not conducting an interpretation of an intimate in the background.
The domestic layer is the last of it. Gulenko records a type that finds the recurring obligations of a household oppressive and is at a loss with unexpected visitors, and the type page has LIIs treating their own physical needs as not worth the time they would cost. What is on the other side of that is a long, unhurried willingness to think about a problem that is genuinely shared, and a real indifference to display — this is not a type that needs the life around it to look like anything.
Communication in close relationships
The middle is missing, and knowing that is most of what makes an LII legible. The type page states it as a general property: LIIs "tend to avoid explaining the intermediate steps in their reasoning, seeing only the conclusion as important". In a close relationship a decision arrives without the thinking that produced it, which reads as either arbitrariness or secrecy and is neither. The steps exist, in order, and come out in full and willingly when somebody asks for them. Asking is the whole of the operation.
The register is low by default rather than by intent. The type page has LIIs short on outward emotional energy and liable to seem "stiff, cold, rational, unresponsive to emotional concerns"; Gulenko supplies the half that is not visible, describing feeling that runs strong once this type is genuinely engaged while the conduct stays pointedly correct. Correctness is the covering, not the temperature.
The reticence about other people's behaviour has a cause the type page names outright, and it is not tact: "for fear of emotional reprisal, LIIs often tend to be rather noncritical of others' actions." A criticism withheld here is an exposure withheld. It should not be read as approval, and an intimate who wants this type's actual view of something usually has to make it safe to give rather than ask for it twice.
Something an LII will not report is that the emotional weather affects it. The type page observes that LIIs "may be quite susceptible to acting in accordance to the mood of others", and undervalue what a running argument costs them. Both halves of that sentence matter: the effect is large, and the type's own estimate of it is low, so the account an LII gives of how it is doing is not a reliable instrument for this particular question.
What does work is unusually simple, and it follows from the first section rather than from goodwill. A want that has been stated plainly enters the system of rules this type holds itself to, and gets honoured with no argument about whether it was reasonable. The same want left to be inferred does not arrive at all.
Compatibility at a glance
This grid orders the type's relation to each of the sixteen types by the category classical intertype theory assigns it, running from the most complementary relations to the most difficult. The ordering reflects those categories rather than anything about two particular people, and while the categories themselves are close to universally accepted within socionics, their confirmation in real populations is thin. What each relation is held to involve — Duality, Conflict, Supervision and the rest — is set out on the intertype relationships reference.
Limitations and further reading
Socionics relationship description is a theoretical framework, not a predictive instrument. The tendencies above are derived from LII-INTj's information metabolism; individual LIIs vary considerably, and personal history, circumstance, and what each person has already learned about closeness bear on any actual relationship far more than type-level tendency can.
A distinction is owed here, since this page has turned on one function's position. Fi in the role position means an LII navigates a relationship by a rule it can state rather than by a signal it can feel — which is a different thing from not knowing where the relationship stands, and a very different thing from not minding. A rule that can be stated can also be wrong, and being wrong in that particular way looks colder from outside than it is from inside.
Intertype theory is contested in one specific way that is worth naming here. The relation categories originate with Aušra Augustinavičiūtė's Theory of Intertype Relations (1980) and are close to universally accepted within socionics; their confirmation in real populations is thin. Nothing in the ordering above establishes how any particular relationship will go.
The limit underneath that one is broader. Socionics has produced extensive theoretical description of how types behave in close relationships and very little empirical study of it — what exists is portraiture by named theorists and material compiled from observation, reasoned from the function positions. This page reasons the same way, from Model A and from the descriptive corpus, with the descriptive claims attributed where an author is known. What type-level tendency describes is a recurring shape and its recurring costs; what happens between two particular people it does not describe at all.
Further reading.