The Person You Were—and the Person You Are
Think back to the person you were at 20.
What did you believe? What frightened you? What mattered most? Which opinions would you have defended passionately, perhaps even angrily?
Now consider how many of those beliefs have changed. Perhaps your priorities shifted, your relationships transformed you, or experiences challenged assumptions you once regarded as unquestionable. Maybe the things that once seemed essential now appear almost trivial.
Your body has changed, too. Your memories have accumulated. Your personality may have softened in some ways and hardened in others.
Yet through all these changes, you have continued to use the same word: I.
You say, “I believe this.” “I would never do that.” “That’s just who I am.”
But what exactly does that I refer to?
If so much about you has changed, why does the self feel like something solid, continuous, and worth defending?
The Identity We Build
Psychologists distinguish between the many components of identity: our memories, personality traits, values, social roles, beliefs, and the stories we tell about our lives.
These elements help us maintain a sense of continuity. We connect our childhood, our experiences, and our present circumstances into a narrative that makes our lives feel like one coherent story.
Psychologist Dan McAdams has studied this idea of narrative identity: the evolving story through which people make sense of who they are and how they became that person.
The story matters. It helps us make decisions, maintain relationships, and understand our responsibilities.
But a story can change.
The ambitious young person may become more interested in peace than achievement. The person who once trusted authority may become skeptical. Someone who was politically committed to one position may eventually adopt another. A painful experience may change how a person understands trust, love, or vulnerability.
We don’t necessarily experience these changes as becoming an entirely different person. We often incorporate them into our existing story.
Yet this raises an intriguing possibility: perhaps some of what we call our identity is not a permanent inner object, but an ongoing interpretation of our lives.
Why We Defend Who We Think We Are
If identity is partly constructed from beliefs, values, and personal stories, challenging those things can feel surprisingly threatening.
Suppose you have spent decades thinking of yourself as intelligent, independent, generous, or morally principled. Someone questions a decision you made. Instead of considering whether the criticism is valid, you feel compelled to defend yourself.
Why?
Because the disagreement may seem to threaten more than a particular opinion. It may threaten the person you believe yourself to be.
Psychological research on motivated reasoning and cognitive dissonance helps explain why people sometimes resist information that conflicts with deeply held beliefs. We don’t always evaluate ideas as detached observers. Our sense of belonging, self-respect, and consistency can influence what we are willing to accept.
This doesn’t mean every strongly held belief is wrong or that defending your principles is foolish.
Some things deserve defending: honesty, compassion, fairness, personal boundaries, and the rights of others.
The important distinction is between defending a principle because it is justified and defending an opinion simply because it has become part of your identity.
When the two become inseparable, changing your mind can feel like losing yourself.
Buddhism: Is There a Permanent Self?
Buddhist philosophy takes the question much further.
One of its central teachings is anattā, often translated as “not-self.” In broad terms, the teaching challenges the idea that within our changing experience there exists a permanent, independent, unchanging self that we can identify as the ultimate owner of our thoughts, feelings, and body.
Buddhist teachings commonly examine five aggregates: bodily form, feelings, perceptions, mental formations, and consciousness. Each is subject to change. None, considered individually or collectively as something permanent and fully controllable, provides a straightforward basis for an unchanging self.
The point isn’t that you don’t exist, that your experiences are meaningless, or that you have no responsibilities. It’s that the self may not be the fixed entity we instinctively imagine it to be.
Consider anger. You may say, “I’m an angry person.” But anger arises under certain conditions, changes in intensity, and eventually passes. You can observe it, respond to it, and perhaps learn to relate to it differently.
The same applies to fear, pride, jealousy, and even cherished beliefs.
Instead of automatically saying, “This is who I am,” you might ask, “Is this a passing state, a learned habit, or something I genuinely want to stand for?”
That small shift can create room between experience and identity.
Buddhist traditions differ in how they explain the self and personal continuity, so not every Buddhist school would frame the question in precisely the same way. But the practical invitation is clear: examine what you cling to, and notice the suffering that can arise when you demand that changing things remain fixed.
Psychology Offers a Different Perspective
Psychology doesn’t require us to accept the Buddhist doctrine of not-self to recognize that identity changes.
Personality research finds both continuity and change. People often retain characteristic tendencies over time, yet their traits, priorities, and behavior can also evolve through aging, relationships, responsibilities, and significant life experiences.
Memory is another part of the puzzle. We experience our lives as continuous partly because we remember the past and connect it to the present. But memory is not a perfect recording. It is selective and reconstructive, and our understanding of past events can change as we change.
Even the story we tell about our past may be revised.
An event once remembered as a humiliating failure might later become a turning point. A relationship once seen as the great love of your life may eventually be understood differently. An opinion you once considered evidence of your intelligence might later strike you as an example of youthful certainty.
The past hasn’t changed, but the person interpreting it has.
This doesn’t mean there is no continuity. Your body, history, relationships, habits, and commitments provide real connections between the person you were and the person you are. The question is whether continuity requires an unchanging essence—or whether it can exist through an ongoing process of change.
Psychology can investigate aspects of identity, but it cannot settle every metaphysical question about what the self ultimately is.
The Trap of “That’s Just Who I Am”
Consider how often we use identity to close a door.
“I’m just not a patient person.”
“I’ve always been terrible at relationships.”
“I don’t change my mind.”
“That’s just who I am.”
Sometimes these statements describe genuine patterns. But they can also turn a history of behavior into a permanent sentence.
If you identify completely with impatience, you may stop investigating what triggers it. If you think of yourself as someone who cannot trust, you may overlook opportunities to build trust carefully. If being right is central to your identity, admitting a mistake may feel intolerable.
Identity can provide stability, but it can also become a prison we help maintain.
There is a difference between acknowledging your tendencies and treating them as your destiny.
You might be impatient today without being condemned to remain impatient forever. You might have held a belief for 30 years without owing it another 30. You can respect your past without allowing it to dictate every possibility in your future.
You are responsible for your actions, but you don’t have to turn every habit, opinion, or mistake into a definition of who you must always be.
If the Self Changes, What Should We Hold On To?
This is where the question becomes practical.
If our personalities, beliefs, and priorities can change, does that mean we should abandon identity altogether?
Not necessarily.
We need some sense of continuity to make commitments, maintain relationships, learn from mistakes, and accept responsibility. Other people reasonably expect us to honor our promises, and we cannot dismiss the consequences of our actions by claiming to be a different person now.
The goal isn’t to become a person without values or commitments. It is to distinguish between what we have good reason to uphold and what we defend merely because it feels familiar.
You can be committed to honesty while admitting you were wrong. You can value independence while accepting help. You can remain loyal to someone while recognizing that your understanding of the relationship has changed.
You can take responsibility for the person you have been while remaining open to the person you might become.
Perhaps maturity involves holding our principles firmly while holding our self-image a little more lightly.
A Small Experiment in Self-Knowledge
The next time you feel a strong urge to defend yourself, pause for a moment.
Ask yourself three questions:
- What is actually being challenged? Is it a fact, a belief, a behavior, or my image of myself?
- If I changed my mind, what would I fear losing? My status, my consistency, other people’s approval, or my sense of belonging?
- What evidence might genuinely change my view? If the honest answer is “nothing,” am I seeking truth—or protecting an identity?
You don’t have to agree with every criticism. You don’t have to surrender your convictions to keep the peace. The point is to notice when the need to defend yourself has become stronger than the desire to understand what is true.
That awareness can make disagreement less threatening and change less frightening.
It can also make life more interesting. If you are not required to remain the person you have always believed yourself to be, you have room to learn.
The Watchdog Takeaway
The self we defend so fiercely may be less fixed than it feels.
Our bodies change. Our beliefs evolve. Our personalities and priorities shift. The stories we tell about our past are revised as we gain new experience.
Psychology helps explain how we construct and maintain a sense of identity. Buddhist philosophy invites us to question whether that identity rests on a permanent, independent self. Neither perspective requires us to deny our history, abandon our values, or escape responsibility.
The practical lesson is simpler: don’t confuse the person you have become with the only person you are capable of being.
You can stand for something without becoming imprisoned by it. You can acknowledge who you are today without insisting that you must always remain that way.
And the next time you find yourself saying, “This is who I am,” consider asking one more question:
Is this a truth about myself—or a story about myself that I have become afraid to change?
Sources
- Stanford Encyclopedia of Philosophy — Anattā (No-Self)
https://plato.stanford.edu/entries/anatta/ - McAdams & McLean — Narrative Identity
https://doi.org/10.1146/annurev-psych-010213-115120 - Roberts, Walton & Viechtbauer — Patterns of Mean-Level Change in Personality Traits Across the Life Course
https://doi.org/10.1037/0033-2909.132.1.1 - Leon Festinger — A Theory of Cognitive Dissonance
https://www.sup.org/books/psychology/theory-cognitive-dissonance/