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How to Change Personality Traits: A Science-Backed Guide to Evolving Who You Are

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Feeling Stuck in a Personality You've Outgrown

Does your own personality ever feel like an old coat that's become too tight in the shoulders? You put it on out of habit, but it constricts your movement. It’s the familiar sting of shyness in a room where you ache to connect, or the knee-jerk pessimism that clouds a moment of genuine hope. This isn’t a flaw; it's a signal.

Our resident mystic, Luna, sees this not as a crisis, but as a shedding. 'This feeling of being stuck,' she says, 'is your future self whispering to your present self that it's time to grow. The old skin has served its purpose, protecting you until now. But it was never meant to be a permanent cage.'

This desire for intentional personality change isn't about rejecting who you are. It’s about honoring the person you are becoming. You are sensing a misalignment between your internal world and your external expression. The key realization is this: personality is not permanent. It’s a river, not a rock. You’re simply feeling the call to steer your own current.

The Science of Change: Your Brain Is Not Set in Stone

That feeling Luna described has a powerful biological counterpart. It’s not just poetry; it’s neuroscience. For decades, we were told our personalities were fixed by early adulthood. But as our sense-maker Cory explains, that's an outdated map of the mind.

'Let’s look at the underlying pattern here,' Cory advises. 'The belief that you're 'stuck' is the real cage. The science of neuroplasticity and personality change gives us the key.' Neuroplasticity is the brain's remarkable ability to reorganize itself by forming new neural connections throughout life. Every time you act against an ingrained habit—choosing to speak up instead of staying silent, or organizing one small corner of your desk—you are physically re-wiring your brain.

Research consistently shows that people can, in fact, change their Big Five traits with consistent effort. A 2020 BBC Worklife report highlights studies where individuals successfully lowered their neuroticism or increased their conscientiousness through targeted interventions. The process of how to change personality traits isn't about a magical overnight transformation; it’s the cumulative effect of small, deliberate actions.

So let’s reframe this. The question isn't if you can change, but what new pathways you want to build. Here is your permission slip from Cory: 'You have permission to believe that your future self is not held hostage by your past self. Your brain is ready to change. You just have to give it new instructions.'

Your 'Personality Upgrade' Plan: A 30-Day Challenge

Clarity is power, but a plan is what creates results. Our strategist, Pavo, is here to turn that scientific possibility into a concrete project. 'Hope is not a strategy,' Pavo states. 'We need a clear objective and actionable steps. This is how to change personality traits in the real world.'

Let’s target one specific trait for a 30-day sprint. Choose a goal: maybe you want to develop conscientiousness or learn how to become more extroverted. Don't try to change everything at once. Pick one.

Here is your move. Pavo’s framework for intentional personality change is about 'acting as if.' You embody the trait you want through small, daily behaviors until it becomes your default.

Step 1: Define Your Target Identity & 'Micro-Behaviors'

Get specific. If you want to develop conscientiousness, what does that look like? It's not 'be more organized.' It is: 'A conscientious person plans their day the night before.' 'A conscientious person puts their keys in the same bowl every time.' List 3-5 of these tiny, non-negotiable actions.

Step 2: Create a 'Behavioral Menu' for Social Situations

If you want to become more extroverted, social events can be draining. Instead of forcing it, create a simple menu of options. For example: 'At this party, my goal is to (a) ask one person an open-ended question or (b) give one person a specific compliment.' This lowers the pressure and gives you a clear, achievable win.

Step 3: Track Your 'Reps,' Not Just Your Feelings

Don't focus on whether you felt extroverted or organized. Focus on whether you did the micro-behavior. Keep a simple checklist. Ticking a box provides a dopamine hit and reinforces the new neural pathway. This is the practical core of how to change personality traits.

Step 4: Reframe Setbacks with a 'Data, Not Drama' Mindset

If you skip a day or revert to an old habit, don't spiral. Pavo's rule: 'It's not a failure, it's data.' What was the trigger? Were you tired? Stressed? Use that information to adjust your strategy for the next day. This approach is also key if you want to understand how to lower neuroticism, as it replaces emotional reactivity with cool-headed analysis.

FAQ

1. Is personality really not permanent?

Correct. While core temperament has stable elements, modern psychology and neuroscience show that personality traits are malleable. Through a process called neuroplasticity, our brains can form new pathways based on consistent new behaviors, leading to intentional personality change over time.

2. How long does it take to change a personality trait?

There's no magic number, but research suggests that noticeable changes can occur within a few months of consistent, deliberate effort. The key is the consistency of the new behaviors, not the intensity. Small, daily actions are more effective than occasional grand gestures.

3. Can you change your Big Five traits?

Yes. Studies have shown that individuals can intentionally work to increase or decrease their levels on the Big Five traits (Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism). For example, practicing mindfulness and cognitive behavioral techniques can help lower neuroticism.

4. What's the first step to become more extroverted if I'm very shy?

Start small and strategic. Don't aim to be the life of the party. Pavo's advice: set a 'micro-goal' for your next social interaction, like asking one person a single open-ended question ('What's the story behind that?') and then giving yourself permission to simply listen.

References

bbc.comYou can change your personality - BBC Worklife