Back to Personal Growth

The Ultimate Guide to Developing MBTI Functions for True Self-Growth

Bestie AI Pavo
The Playmaker
A kintsugi bowl with a glowing golden repair line, symbolizing how this guide to developing mbti functions helps create a more whole and resilient self. The filename will be guide-to-developing-mbti-functions-bestie-ai.webp.
Image generated by AI / Source: Unsplash

There’s a quiet hum beneath the surface of your daily life, isn't there? A feeling that the four letters assigned to you, as accurate as they may feel, are just the blueprint of a house, not the home itself. You've mastered the main rooms—your domina...

Beyond Your Comfort Zone: The Call to Grow

There’s a quiet hum beneath the surface of your daily life, isn't there? A feeling that the four letters assigned to you, as accurate as they may feel, are just the blueprint of a house, not the home itself. You've mastered the main rooms—your dominant and auxiliary functions—but you can hear the wind whistling through the floorboards of the spaces you rarely visit.

This feeling isn't a sign of deficiency; it's a spiritual invitation. It's the call to wholeness. As our mystic Luna would say, "Personal evolution isn't about becoming someone new. It's about remembering and reclaiming the parts of you that have been waiting in the shadows."

True self-improvement isn't about endlessly sharpening the tools you already use well. It’s about bravely venturing into the workshop to find the ones that feel foreign and clumsy in your hands. This journey is about integrating these less-preferred parts of yourself to become a more balanced, resilient, and complete human being. This is the advanced level, the next season of your growth.

Identifying Your Growth Functions (Tertiary & Inferior)

To begin this work, we need a map. Our sense-maker, Cory, insists on clarity before action. "Let’s look at the underlying pattern here," he'd begin. "Your personality isn't a random collection of traits; it's a structured system with a clear hierarchy."

Every MBTI type has a 'function stack' of four primary cognitive functions. You live and breathe through your top two. The real opportunity for growth lies in the bottom two: your Tertiary and Inferior functions. These are your non-dominant functions, and they are key to maturity.

The Tertiary Function is like a playful, curious teenager. It often emerges in low-stress situations when you want to relax or try something new. It’s a source of relief and creativity, but when immature, it can also be a source of escapism or poor decisions. Purposefully developing the tertiary function is a gentle way to add new skills to your toolkit.

The Inferior Function is the most unconscious part of your personality. It's your greatest vulnerability and, paradoxically, your greatest source of profound growth. According to experts in the field, this function holds our deepest insecurities and aspirations. When you are under extreme stress, this is the function that erupts, often in a childish and destructive way. A core part of any guide to developing MBTI functions is learning to approach this sensitive area with care.

For example, an INTP's stack is Ti-Ne-Si-Fe. Their growth path involves moving from pure logic (Ti) and ideation (Ne) toward consciously engaging with detailed memory (Si) and, most challengingly, communal harmony (Fe). An INTP developing Fe guide would focus on this exact process of strengthening non-dominant functions.

Cory’s final note is always one of reassurance: *"You have permission to be clumsy with your weaker functions. Growth is not about perfection; it's about patient practice."

Your Personalized 'Gym Routine' for a Balanced Mind

Once you've identified the goal, you need a strategy. Our pragmatist, Pavo, treats personal development like a training program. "Emotion is the signal," she says, "but a plan is the solution. Here is the move."

This is your 'gym routine' for strengthening non-dominant functions. Don't try to do everything at once. Pick one low-stakes exercise and practice it for a few minutes each day. This is a practical guide to developing MBTI functions in the real world.

For Developing a Thinking Function (Te or Ti):
If you lead with Feeling and need to develop logic and objectivity.

Step 1: Externalize a problem. Instead of just feeling overwhelmed by a task, grab a whiteboard or notebook and map it out. Create a pros-and-cons list or a step-by-step plan. This is a crucial exercise for those learning how to develop Extroverted Thinking (Te).

Step 2: Play devil's advocate. Pick a belief you hold strongly and spend ten minutes arguing for the opposite side. The goal isn't to change your mind, but to strengthen the mental muscle of detached analysis (Ti).

For Developing a Feeling Function (Fe or Fi):
If you lead with Thinking and need to develop empathy and value-based decision making.

Step 1: The 'Value Check-In'. Before making a minor decision (what to eat, what movie to watch), pause and ask: "Which option aligns more with the person I want to be?" This builds Introverted Feeling (Fi) by connecting actions to your internal moral compass.

Step 2: Practice 'Active Complimenting'. Once a day, give someone a specific, genuine compliment that focuses on their character or effort, not just their appearance. This is a foundational practice for anyone on an INTP developing Fe guide.

For Developing a Sensing Function (Se or Si):
If you lead with Intuition and need to become more grounded in the present moment or past details.

Step 1: The '5-4-3-2-1' Grounding Technique. Pause wherever you are and name five things you can see, four you can physically feel, three you can hear, two you can smell, and one you can taste. This is a powerful tool for developing Extroverted Sensing (Se).

Step 2: The 'Memory Archive'. Choose one positive memory and write down every sensory detail you can recall: the light, the sounds, the smells, the textures. These are great exercises for Introverted Sensing (Si), building an appreciation for concrete experience.

For Developing an Intuitive Function (Ne or Ni):
If you lead with Sensing and need to engage with patterns, possibilities, and the abstract.

Step 1: The 'What If?' Game. Take a mundane object on your desk. For five minutes, brainstorm ten completely unrelated or fantastical things it could be used for. This develops Extroverted Intuition (Ne) by generating possibilities.

Step 2: Practice 'Symbolic Journaling'. At the end of the day, instead of listing what you did, ask: "If today was a chapter in a book, what would its title be? What was the underlying theme?" This encourages Introverted Intuition (Ni) to find the deeper pattern.

This personalized guide to developing MBTI functions is your starting point. The goal isn't to erase your core personality, but to create a more harmonious inner ecosystem where all parts of you are honored and accessible. The process of balancing Fi and Te, for example, is a lifelong dance, not a problem to be solved overnight.

FAQ

1. What is the hardest MBTI function to develop?

The Inferior function is typically the most challenging to develop. Because it is the most unconscious part of our psyche, it carries our deepest insecurities and tends to surface in stressful, often immature ways. Approaching it requires significant patience and self-compassion.

2. How long does it take to strengthen non-dominant functions?

Developing your weaker functions is a lifelong journey, not a short-term project with a finish line. The focus should be on small, consistent practices over time. You may notice shifts in your perspective and reactions within months, but true integration is a continuous process of personal growth.

3. Can developing your weaker functions change your MBTI type?

No, engaging in this kind of self-improvement will not change your fundamental MBTI type. Your core cognitive wiring and preferences remain the same. Instead, you become a more balanced, mature, and integrated version of your own type, with a wider range of tools to navigate life's challenges.

References

psychologyjunkie.comSelf-Growth Pro-Tips for Every Myers-Briggs® Personality Type

reddit.comIn your own words, can you describe the ENTP function stack?