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Living Well

6 Liberating Truths About Your 40s

September 10, 2025

I’m Kim.
I’m an M.D.-turned-entrepreneur and I’m dedicated to helping you build your dream career + lifestyle. Welcome to my blog, where I write (and podcast) about wellness, business + success!
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They say life begins at 40, but no one ever tells you why

Is it just a comforting cliche to soften the sting of aging? Or is there something real behind it?

Spoiler: there is.

Something does shift around this time. And there’s a reason why—a reason why your 40s tend to crack your life wide open in the best possible way.

Whether you’re in your 30s and dreading what’s ahead, or in your 40s and starting to feel the edges of dissatisfaction, this is for you.

Your 40s can be the most liberating and empowering decade of your life. Here are six reasons why…


1. You Finally Know Who You Are (and Who You’re Not)

When I was 17, I genuinely thought turning 40 meant your life was over. 

The magazines I read split life into neat little decades, and the final category was always “40 and over.” As if everything exciting stopped there.

So, naturally, I grew up quietly fearing the passage of time. But when I did reach my 40s, I was confronted with the surprising truth:

40 isn’t the end of youth. It’s the end of pretending.

One of the first truths I discovered was that this is the age when the masks start slipping. You realize you’ve spent decades trying to make others like, approve of, and choose you.

Yet when you reach your 40s, you no longer want to perform.

Midlife is where you unlearn everything that isn’t really you, and start becoming someone you actually recognize.

2. You Care Less About Approval And More About Alignment

At some point around your 40s, you’ll experience a dramatic shift in the way you act around others.

You’ll walk into a room and instead of wondering, “Do they like me?” you’ll ask yourself, “Do I like them?”

When this shift happens, you’ll notice a deep sense of calm, a level of self-assurance you’ve never experienced before.

You’re not imagining this feeling. It’s backed by science.

According to the Stanford Center on Longevity, emotional stability and self-acceptance peak in midlife. 

You stop hustling for gold stars and start protecting your energy like it’s your 401(k). If it’s not a hell yes, it’s a no. If it’s not aligned, you’re out.

This is ego evolution in play.

3. You Stop Playing Small

Your 40s are when you realize that no one’s coming to give you permission. 

The dreams you’ve been shelving for “later”? The version of you you’ve been waiting to become?

It’s time to permit yourself to pursue them.

According to Forbes, women in their 40s and 50s are now the fastest-growing group of entrepreneurs. 

Why? 

Because we’re done waiting, we’re done performing, and we’re ready.

It’s not that when we hit our 40s, we become fearless. We’re still scared, but the difference is, we’re no longer prepared to play small.

So we stop asking, “Am I allowed?” and we start declaring, “I’m ready.”

4. You Wake Up to Time And Use It Differently

Your 40s will be full of ‘panic moments.’ Like the first time you wake up with back pain or when you find yet another wrinkle on your forehead.

But underneath this panic is a profound shift:

You become aware of time. 

Not in a morbid sense, but in a motivating way.

Studies show that happiness tends to dip in our 30s and then begins to rise again in our 40s and 50s. 

This is because at this age, we realize time is moving on, whether we pursue our dreams or not.

So we become bold. We stop chasing everything and start choosing what matters.

We stop overcommitting. We start asking: “Does this matter?” and “Is this how I want to spend my life?”

We stop filling our time with things we should do and start honoring what it is we want to do.

5. You Get Stronger, In Ways That Actually Matter

In my youth, I thought strength was about how tight your abs were or how many squats you could do.

But as I got older, I realized that strength is not just external, it’s internal too.

And that inner strength is the most powerful resource that humans can possess. 

Yet here’s the catch: For many of us, it’s something we only develop with age.

It’s something researchers call Post-Traumatic Growththe resilience, empathy, and emotional depth that emerge after difficult experiences like heartbreak, grief, and divorce.

Yes, midlife can bring chaos (aging parents, broken relationships, rebellious teens), but these challenges fortify us. They give us stamina, strength, and a type of backbone our 20s never could.

6. You Become the Main Character (Instead of the Supporting Cast)

For many women, midlife is the moment they realize they’ve been an extra in their own movie.

Up until now, you’ve been the mother, the wife, the carer. And while these are worthy achievements in their own right, they often come at the cost of your own dreams, desires, and identity.

So midlife is the plot twist.

It’s the moment you stop living for everyone else’s storyline and start writing your own.

You begin asking: What do I want? What lights me up? What version of me has been waiting in the wings all these years?

This is not you becoming selfish. It’s you returning to yourself.

Final Thoughts

Now these truths aren’t exclusive to your 40s. You might feel them bubbling up in your 30s, or you might not learn them until your 50s.

There’s no right timeline. But when they land, they change everything.

So wherever you are on the map, consider this your invitation to reclaim yourself.

In this week’s YouTube video, I dive deeper into these six truths about your 40s and share a bonus lesson that will make you question everything you were taught in your youth!

Watch the episode here:


And if you’re ready to turn insight into action, join my free 5-Day Reset Challenge and take your first step toward clarity, confidence, and coming back to you.

Resources:


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