The Past Wasn’t Always Better: The Psychology of Nostalgia

There may be moments from the past that when you recall today, may seem magical.

An old photograph that appears in your gallery. A familiar song starts playing. You catch the smell of something that you haven’t experienced in years and suddenly, you’re back in the memories; at school, on a college trip, maybe sitting with old friends or even living through a chapter of your life that you haven’t thought about in years.

For a moment, it feels like everything was simpler back then, maybe, even better. And then we often find ourselves saying, “Those were the best days,” or “Things were so much better back then.” 

But were they really? Maybe not. Maybe our minds have been simply good at remembering the past in a certain way.

We don’t remember the past exactly as it happened

At times, we tend to think of memory as a recording: something happens, our brain stores it and we retrieve it later.

But cognitive psychology tells us that autobiographical memory is more reconstructive than that. When we remember an experience, we don’t simply replay a perfect copy of what happened. We reconstruct it using stored details, our existing knowledge, our current goals and our perspective in the present. 

Conway and Pleydell-Pearce’s influential model of autobiographical memory describes remembering as an active process in which memories are constructed from autobiographical knowledge rather than retrieved as completely intact records. 

Think about an old memory you’ve told others about many times. Every time you retell it, certain fragments become clearer, while some may disappear. Someone might remind you about something you had completely ignored or an old photograph might suddenly bring back a detail you hadn’t thought about in years.

The event hasn’t changed. But your memory of it can change.

That doesn’t necessarily mean the memory is false or inaccurate. Reconstructive does not automatically mean distorted. Our memories can remain broadly accurate while still being reconstructed each time we remember them. Distortion is one possible consequence of this reconstructive process, but it isn’t something that happens to every memory.

This is one reason an ordinary afternoon from a decade ago can feel like one of the most beautiful moments of our lives. We may remember the laughter, the people, the little things that made us happy. We don’t necessarily remember how bored we were, the arguments we had, the insecurities we carried or how badly we wanted that phase of life to change.

The past gets edited.

Why do difficult times become “the good old days”?

Think about your time at school or college.

You may have complained about early mornings, homework, exams, deadlines and the uncertainty of figuring out what your future would look like. Perhaps, you couldn’t wait for the next chapter to begin. Then, years later, a song from that time plays. And suddenly, “I wish I could go back.”

But do you really miss the exams? Probably not.

You miss the people. The familiarity of everything. The routine. The conversations between classes. Maybe even the version of yourself who existed during that time. There is a psychological reason behind how difficult experiences can become emotionally softer in our memories.

Research on the fading affect bias has repeatedly found that the emotional intensity associated with negative autobiographical experiences tends to fade faster than the emotional intensity associated with positive experiences. 

A review by Walker describes this as a robust effect in autobiographical memory, while cross-cultural research involving participants from ten different cultures also found evidence of this pattern. The difficult event may exist in our memory, but the emotional sting attached to it may not be.

The chapter that once felt exhausting can eventually start looking good today.

Sometimes, we don’t miss the past. We miss ourselves in it.

This may be one of the most overlooked parts of nostalgia.

When we say, “I miss those days,” we may actually be missing who we were during those days. It could be that we were more carefree or possibly our closest friends were around. Maybe we had fewer responsibilities or maybe we hadn’t experienced something that later changed us.

Our memories are closely connected to our sense of self. Autobiographical memory doesn’t simply tell us what happened; it also helps us maintain a sense of continuity between who we were, who we are now and who we are becoming. Research on autobiographical memory has long linked remembering with the construction and maintenance of a coherent sense of self. That’s why nostalgia can sometimes feel less like missing a particular year, a place, a person and more like missing a particular version of ourselves.

But it is okay to miss a life you wouldn’t actually choose today. Because perhaps what you’re really missing isn't life itself. You’re missing how you felt when you were living it.

Nostalgia isn’t always a bad thing

It is easy to think of nostalgia as something that keeps us attached to the past. But research suggests that nostalgia can also have psychologically beneficial functions.

Experimental research has found that nostalgia can increase self-esteem, self-continuity, social connectedness and meaning in life, compared with other ways of thinking about the past such as simple reflection or brooding. These effects have been observed across different samples, including both British and Chinese participants.

But why would remembering the past have anything to do with feeling connected in the present?

One explanation is that nostalgic memories are often deeply social. They frequently involve family, friends, relationships and meaningful shared experiences. When we revisit these memories, we are not only remembering what happened—we are reconnecting with people, relationships and parts of our own identity.

Research by Sedikides and colleagues found that nostalgia can foster social connectedness, which in turn strengthens self-continuity which is the feeling that the person we were in the past is meaningfully connected to who we are today. Other research has found that this sense of continuity can contribute to greater meaning in life. 

Think about sitting with an old friend and saying, “Remember when we used to do this…?”

Within minutes, you’re laughing about something that happened years ago. You’re not just remembering an event. You’re reconnecting with a relationship, a history and a part of your own identity.

Looking back may not always mean wanting to go back. Sometimes, it can simply remind us of what we’ve carried forward.

But there is a difference between remembering the past and living in it

Nostalgia becomes complicated when comparison takes over. When every memory of the past becomes proof that “life used to be better,” the present can start feeling inadequate by itself, and that’s an unfair comparison.

We’re comparing today’s messy, undone reality with a past that has already attained its ending. When you’re living through a difficult phase today, you don’t know what meaning it will have a few years from now. You don’t know which ordinary Thursday will eventually become a memory you treasure.

The present feels uncertain because we’re still in it. The past feels certain because we already know how the story ended.

Maybe that’s why yesterday can sometimes feel safer than today.

The past we remember isn’t always the past we lived

There will always be certain chapters of our lives that we look back on with softness. And that’s okay.

We don’t have to convince ourselves that everything in the past was terrible just because we’ve moved on. We can at times miss a place without wanting to live there again. We can miss a person without wanting them back. We can miss a version of ourselves without needing to become that person again.

Because growing up isn’t about letting go of the past completely. Rather, it's about learning to remember it honestly, with all its beauty, awkwardness, sadness, uncertainty and joy.

And this is where it is important to distinguish nostalgia from memory distortion. Feeling nostalgic doesn’t mean that our memories are necessarily inaccurate. Nostalgia can involve selective attention to meaningful or emotionally significant parts of the past without making the entire memory false. Memory is reconstructive by nature, but reconstruction and distortion are not the same thing.

The past deserves to be remembered, but it doesn’t need to be idealised. And perhaps the next time an old photograph makes you think, “Those really were the best days,” it’s worth pausing for a moment.

Maybe they were. Or maybe they were the days you didn’t yet know you would miss.

Because sometimes, the past wasn’t actually better. We just remember it differently.