Te-Si-De

"Maintainance" Soft DeclarationPractical Management

Maintainance
""Fix small, run long" — Field Maintenance Engine"
Instant improvement, operational maintenance, comfort preservation, quick-fix hacks, continuous operations, mini declarations
Traits of Maintainance
Rational
合理
Dynamic
動的
Judicious
賢明
Serious
深刻
Emotivist
感情主義
Farsight
先見の明
Yielding
譲歩
Result
結果
Positivist
肯定主義
Democratic
民主主義
Linear-assertive
Linear-assertive
Rationality is a perceptual style focused on action and will — decision-making and the expression of emotion.
• Tends to plan ahead and decide early
• Strong-willed; may appear stubborn
• Reluctant to change what has been decided
• Strong tendency to see things through to the end
• Movements appear firm and controlled
• Leadership tends to be somewhat authoritative (top-down)
• Stress tolerance is relatively low
Dynamic types perceive the world as a continuous flow of change, attending to transitions, progressions, and direction.
• Tends to perceive the world as a continuous process of change and flux
• Attends to transitions, progressions, and the direction things are heading
• Remembers events as narratives and flows
• Sensitive to processes and fluidity unfolding over time
• Attends less to states themselves than to how things have changed (past → future)

Characteristic Behaviors and Cognition
• Recalls memories as moving, video-like sequences
• Sensitive to changes in people and situations, flexibly adjusting behavior and judgment
• Predicts what will happen next from the drift of the situation
• Interested in the tendencies and direction of ongoing change rather than what is fixed
Judicious types are naturally in a relaxed state: they organize and prepare before acting, and proceed step by step at their own pace.
Basic Characteristics
• Natural state: relaxed
• Gets ready before acting (preparation → action)
• Proceeds step by step with breaks, rather than all at once
• Finds it hard to start acting without external stimulation
• Emphasis on thinking and organizing; decisions and execution happen automatically, as a natural flow
• Values the environment and ease of working (freedom, comfort) over results
• Attention goes to the preparation phase; the moment of decision stays vague

Typical Phrases
• “I haven’t decided yet, but it’ll work out”
• “I want to get things in order before I start”
• “The thinking stage is the most important part”
• “I’ll move once the motivation comes”
• “When the timing comes, it will happen naturally”

Behavioral Features
• Tries to model things before moving
• Decisions feel prompted by circumstances, made because they had to be
• Top priority on working in a way that allows rest, at their own pace
• “I don’t remember when I decided” “I was just sort of doing it”
Serious types believe in objective, absolute standards of correctness and approach encounters and relationships through step-by-step, formal processes.
Emotions and Relationships
• Has difficulty reading emotional atmospheres and subtle moods
• Does not separate fun from activity — enjoyment is embedded within the activity itself
• Encounters must pass through step-by-step, formal processes (e.g., greetings and introductions)
• Values information such as names and titles; without a proper introduction, does not consider someone an acquaintance

Worldview and Judgment Style
• Believes correctness is determined by objective, absolute standards
• Personal opinions and experience matter, but beyond them there is “an answer that holds in general”
• In discussion, presents “the correct method” itself rather than their own view

Behavioral Tendencies
• Asks “who did it?” rather than “why did they do it?”
• When a mistake bothers them, would rather redo it themselves than explain
• Tends to believe there is a single correct answer for methods and actions

Speech and Vocabulary
• Frequent objective assertions: “this way is the most efficient,” “this is not correct”
• Rarely negotiates concepts; assumes a “correct definition” already exists
• When explaining actions, relies on examples and marks right and wrong explicitly

Logical types tend to lean toward objectivism (Serious)
Emotivist types prioritize the emotional atmosphere in conversation, naturally working to adjust the mood, and are drawn to new experiences and feelings.
Conversation and Relationships
• Gives top priority to the emotional atmosphere, adjusting the mood and interpersonal dynamics
• May stray from the topic to keep the conversation bright and engaging
• In dialogue, first aims to create psychological safety and a comfortable ambiance

Relationship with Emotions
• Strong drive to seek new experiences and emotions: “I want to encounter the unknown”
• Rarely re-reads books or re-watches films (loses interest without new discoveries)
• When the quality of information is low, cannot respond emotionally — interest never sparks

Behavioral Tendencies
• Easily influenced by requests and invitations from others (“please do this,” “try it”) — finds it hard to refuse
• Responds flexibly to emotions, but struggles to detach from requests

Example Remarks
• “If the mood turned sour, the whole conversation feels wasted”
• “I want every trip to be somewhere different — familiar places bore me”
• “Even on the same topic, how I talk changes with the mood of the moment”
Farsighted types draw on accumulated experience and knowledge to prepare thoroughly in advance, believing that preparation is the key to success.
Characteristics
• Leverages past experience and knowledge to prepare in advance
• Utilizes established methods, rules, and accumulated know-how
• Believes that preparation is the key to success
• Explains how they arrived at their conclusions, including the background and information-gathering process
• Considers many possibilities before taking a single action
• Finds reassurance in preparing for contingencies

Speech Tendencies
• “Judging from past examples...” “Last time it went like this, so...”
• “Just in case...” “This case could come up, so let’s prepare like this”

Examples (preparing for a trip)
• “It went wrong last time, so this time I’ll bring spare batteries and a charger”
• “I don’t want to look things up on site, so I research in advance”
• “Before a trip I always check the weather forecast and the local language”
Yielding types treat their resources as sacred and inviolable, while treating interests and aims as things that can flexibly change.
Core Values
• Resources (possessions and abilities) are sacred and inviolable
• Interests (aims and desires) can flexibly change

Behavior and Psychology
• Cleanly gives up what cannot be done: “if I can’t do it, I lose interest”
• Adjusts interests and goals to available resources: “looks interesting, but it’s beyond me right now”
• Shares interests and curiosities openly in conversation
• Extremely sensitive to intrusions on their possessions and bodily resources (time, space, money, stamina)
• Usually calm, but reacts fiercely when someone barges in uninvited

Example Remarks
• “Even if it interests me, if I can’t do it I won’t”
• “My interests shift with the resources I have”
• “I avoid from the start what is beyond me”
• “Interests can change; my belongings and time are non-negotiable”
Result types take a bird’s-eye view oriented toward outcomes and goals, with clear beginnings and endings.
Key Characteristics
• Views things from above, oriented toward results and goals
• Conscious of the boundaries between beginning and end
• Does not immerse deeply in the process; handles several things in parallel
• Tends to skim or read for key points
• A top-down type: grasps the whole first, then moves to details

Speech Tendencies and Vocabulary
• Frequent words: “result,” “goal,” “beginning and end,” “milestone,” “outlook”
• Reactions like “so what does it come to?” “is that the end of it?”

Behavioral Tendencies
• What matters is where things arrive, more than how they proceed
• Feels strong discomfort and irritation with work whose end is not in sight
• A multitasker who manages several tasks in parallel
Positivist types perceive the world through what exists and what has been achieved, and seek to optimize and polish what is already in place.
Cognitive and Expressive Tendencies
• Perceives things as “what exists” and “what has been realized”
• Seeks to optimize and refine what is already there
• Relatively open and affirmative at first meetings
• Uses affirmative expressions more than negative ones (“can do,” “there is”)
• Even when pointing out a problem, adds an affirmation: “we have this, but we also have that”

Examples (affirmative framing)
• “This glass is half full”
• “We’ve already raised $438,000”
• “On this point, I think you’re right”
Democratic types perceive others through their individual, unique characteristics. Relationships form around personal closeness and empathy; labels and stereotypes are viewed with reluctance.
• Sees others not as “a certain type of person” but focuses on their individual characteristics
• Judges through personal, direct impressions: “approachable,” “intelligent,” “interesting”
• Relationships are based on one-on-one compatibility and shared values rather than group belonging
• “Being who I am” matters most — individualist by nature
• Shows little interest in topics like “where is this person from?”
• Rarely uses expressions like “I represent such-and-such”
・Assertive.
・Restless.
・Hard to relax unless tired.
・Gait tends to be fast, "purposeful," and somewhat rigid.
・"Calmly energetic" with relatively little fluctuation in energy levels throughout the day.
・Tends to move restlessly when forced into inactivity for extended periods.
EJ (Extroverted Judger) is dynamic and rational, perceiving reality as continuously and gradually, often imperceptibly, changing. At the same time, EJ holds their own view of what reality "should" be. This creates a tendency to act quickly, usually through the leading function, to maintain or realize the state things should be in before the change grows too large.
As an extrovert, EJ tends to feel responsible for initiating contact with others in the context of establishing or maintaining relationships. However, this does not necessarily mean they act on it; sometimes they wish others would take on this role.
Types with this as a basic function

Characteristics of People Strong in This Function

Positive Traits (Healthy Range)

【Field Maintenance Engine (Maintainer)】
Discovers small issues, makes instant improvements, and continues comfortable operation
Fix small, run long
Instant hack and sustained care come together

【Operations Handyman】
Automated manual steps in a data pipeline with a single shell script
Reduced late-night responses to zero
Instant improvement and operational maintenance

【Lab Maintenance Crew】
Adjusts for a colleague suffering back pain from mismatched lab bench height
Built an improvised pedestal
Comfort maintenance

【Event Operations Officer】
Noticed crowding at a venue and rearranged the layout
Simultaneously optimized the air conditioning
Quick-fix hacking and continuous operation

【Implementer】
Gives shape to "notice -> immediate improvement" and keeps the field running
Non-stop improvement cycle
Fatigue-free work environment

【Energy Accumulator】
Stores daily small improvements and releases them all at once at critical moments
Practical know-how assets
Improvement logs become assets

Neutral Traits

【Instant Orientation】
"Just get it working," "instant PoC," "immediate hack"
Positive: Practical, speed / Negative: Lack of perfection, ad hoc

【Care Orientation】
"Comfort maintenance," "fatigue-free environment," "sustained care"
Positive: Consideration, coziness / Negative: Plain, inconspicuous

【Continuity Focus】
"Run long," "continuous operation," "preventive maintenance"
Positive: Sustainability, stability / Negative: Conservative, resistance to change

【Extraverted-Leaning】
"Rational / Extraverted-leaning / Dynamic"
Positive: Practical, action-oriented / Negative: Lack of introspection

Negative Traits (Pathological Range)

【Mild】
Excessive hacking, "until everything is automated"
Excessive care, "until perfect comfort"

【Moderate】
Runaway perfectionism, "until I'm satisfied" never ends
Compulsive care, "until everyone is comfortable"

【Severe】
Burnout, health deterioration
Complete loss of emotions, collapse of relationships

【Path to Recovery】
Appropriate improvement standards, understanding that "80% is enough"
Rebuilding relationships, developing complementary functions (Fi/Ni)

Differences by Developmental Stage

【Early Stage: Individual Use Period (Childhood to Early Adolescence)】
Uses -Te-p and +Si-c sequentially, "first hack, then care"
Takes time, externalization needed
Strengthening: Diverse inputs (-Te-p), diverse outputs (+Si-c)

【Mid Stage: Easy Coordination Period (Late Adolescence to Early Adulthood)】
Coordination becomes easy, "hacking while caring" becomes possible
Instant hack -> immediate sustained care
Strengthening: Diverse thinking and reflection (Correlator)

【Late Stage: Integration Period (Late Adulthood to Middle Age)】
Gradually blending, formation of vortex synergy
Unified as "maintenance and continuity"
Improved intuitive accuracy through experience

【Mature Stage: Complete Integration Period (Middle Age to Old Age)】
Finally becomes one process
Instant hack immediately accompanied by sustained care
Grasps improvement points and care points just by looking
Years of experience and wisdom, mentoring younger people