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The In-Between

An Ending Isn't A Failure. It's Time Doing Its Job

Most people carry endings like evidence of failure. A company that sold, a friendship that faded, a version of you that didn't survive a bad afternoon. None of those are failures. They're time doing the one job time actually has.

The takeaways

  1. 01

    An ending on schedule isn't a failure; it's evidence the thing did what it was built to do.

  2. 02

    Businesses are vehicles, not marriages; when one gets you where it was built to get you, get out cleanly.

  3. 03

    Some friendships are shaped like the container they were built in; when the container closes, the friendship's original terms close with it, and that's honest, not a betrayal.

  4. 04

    A life event can retire a version of you on time; grieve him, thank him, and let the next one drive.

  5. 05

    The frame does not cover endings you caused through cruelty or negligence; own those separately and don't hide inside a reframe built for a different kind of ending.

  6. 06

    This week, pick one ending you're still grading as a failure and ask what it was actually built to do; usually the honest answer retires the verdict.

There's a sentence that stopped me the first time I heard it: an ending isn't a failure, it's time doing its job.

Read it slow. It rearranges a lot of quiet shame.

Most of us treat endings as verdicts. The friendship ended, so we must have failed it. The company got sold, so it must not have been the real dream. The version of you that existed before the accident is gone, so something must be wrong. All three assume the same thing: that the correct outcome for a good thing is that it lasts forever, and anything short of that is a breakdown.

That is not how time works. That has never been how time works. Time's job is to move things through phases. When something ends on schedule, that isn't the system failing; that is the system working exactly as designed. The failure story is optional. The passage of time is not.

I've watched this play out in three places I care about.

One: Selling Alpine Security

I founded Alpine Security and sold it in 2020. For a long time before the sale, I quietly braced for the day I'd have to explain it. In the cybersecurity founder world, exits get graded on multiples and headlines, and there's a whole subculture that treats selling as either a coronation or a capitulation. I didn't want either label.

The truth is neither. Alpine was the right company for a specific stretch of my life. It taught me how to hire, how to fire, how to build a services business, how to lose sleep over payroll, how to sit across from a client and be the person accountable for the thing. When the acquisition made sense, it made sense because Alpine had done what it was built to do, and I had learned what I needed to learn to build the next one.

Blue Goat Cyber, my current company, would not exist without Alpine ending. Not paused. Ended. Handed off. Closed as a chapter of my life. The 250-plus FDA submissions my team has supported at Blue Goat are downstream of a company I no longer own.

For years I called that a transition. It's cleaner to call it what it actually was: an ending. A good one. Time doing its job.

The frame I had to unlearn was that a business is a marriage. It isn't. A business is a vehicle. Vehicles have design lives. When one gets you where it was built to get you, you don't set it on fire and you don't drag it around forever out of loyalty. You thank it and you get out.

Two: The Friendships That Didn't Make It To The Next Chapter

I wrote about this in The Long Walk, Mile 22, And A Friendship You Only Get For A Few Days, but the frame is bigger than the two-day kind.

I have friendships from the Air Force that lit up my twenties and quietly wound down through my thirties. Racing friendships built in the paddock at F4 weekends that never quite survived the drive home. Ironman training partners who saw me at 4 a.m. on winter roads for a full season and vanished the moment the calendar cleared. Business friendships that were real inside one company and did not port to the next.

For a long time I carried those endings like evidence I wasn't a good enough friend. That a healthy friendship is one you keep for 40 years and that anything shorter is a personal failure. I told myself I was bad at the long-term muscle. That was true, and it was also the wrong frame to look at most of those friendships through.

Some of those friendships weren't supposed to last 40 years. They were supposed to last exactly as long as they lasted. They were built for a specific shared thing, a squadron, a race series, a training block, a company. The shared thing was the container. When the container ended, the friendship's original terms ended with it. That is not a betrayal on either side. That is time being time.

What I owe those people isn't a text thread I won't sustain. What I owe them is the honesty of remembering that the thing was real while it was happening, and not letting the fact that it ended rewrite what it was.

Bitterness that a friendship ended is a way of pretending it didn't happen. Gratitude is how you let it keep counting.

Three: The Version Of Me That Didn't Survive May 9, 2022

On May 9, 2022, Melissa and I were driving home. On I-70 in Missouri the semi next to us blew a tire; pieces hit the passenger window and the side of the van. A truck ahead of us dropped buckets of chemicals onto the freeway and we bounced through them. We crossed the Mississippi where I-70 becomes I-64 in Illinois and pulled off near home. As we came back toward the intersection, a blue car ran the red and T-boned a black truck right in front of us.

Melissa is a nurse. She caught the driver of the blue car before she fainted. I checked on the man in the truck; someone else called 911. The woman on the pavement kept repeating her husband's phone number. I called him from my phone and Melissa held it to her ear so she could hear his voice. That was the only thing she wanted.

Something about the person I was walking into that intersection did not walk out of it. That's the sentence I circled around for two years and finally wrote into the prologue of The In-Between: Life in the Micro.

For a while I framed that as a loss. The pre-accident version of me had a certain kind of insulation. He was good at optimizing the macro, good at treating the day like a series of tasks, good at postponing presence for a better time to be present. He was efficient. He was also missing most of the actual life he was moving through. When the intersection took that version out, some part of me grieved him, quietly, because he'd been running things for a long time.

But he wasn't murdered. He was retired. On time. By something bigger than a decision.

That version of me had reached the end of what he could do. Time did what time does. He ended. Melissa's husband, the guy who wrote the book about the micro, the guy typing this sentence, he's who's here now. He doesn't exist without the ending of the earlier one.

Calling that ending a failure would be a lie about what my life actually is.

What Changes When You Adopt This Frame

A few things move when you stop grading endings as failures.

You stop over-staying. Companies, roles, friendships, routines, versions of yourself. If you believe every ending is a personal failure, you'll hold on to things well past their design life just to avoid the verdict. Adopting the time-doing-its-job frame lets you close a chapter cleanly, on purpose, before the closing is forced on you.

You stop over-mourning. There is a difference between honoring what a thing was and refusing to accept that it's over. The first is love. The second is a low-grade grief that eats the present. You can be sad a thing ended and also be honest that it was supposed to end.

You stop pricing the moment against how long it will last. This is the thesis of the book, and it's the same idea from a different angle. When you accept that endings are baked into the design, you stop discounting today because it won't last. Of course it won't last. Nothing does. That's what makes today the thing.

You get back the years you would have spent litigating a verdict that was never handed down. Nobody's court is out there ruling that your Alpine, your Air Force friendship, your pre-accident self was a failure. That court doesn't exist. You built it in your head so you'd have somewhere to send the shame. You can close it.

The One Ending This Doesn't Cover

The frame has an edge case worth naming, because I don't want to be glib about it.

If you ended something through cruelty or negligence, this frame is not a laundromat. A friendship you burned by lying to someone, a business you ran into the ground because you refused to hire well, a version of yourself you retired by hurting the people closest to you, those are not just time doing its job. Time got help. That help was you. Own it, make it right where you can, and don't hide inside a philosophical frame that was built for a different kind of ending.

The frame is for the honest endings. The company that finished its run. The friendship that was built for one season and completed that season. The version of yourself that a life event moved out of the driver's seat. Those are the endings people carry as failures for years, and those are the ones this reframe was built for.

What To Do This Week

Pick one ending you're still quietly grading as a failure. A job you left, a friendship that faded, a version of yourself you miss.

Write one sentence: what was that thing actually built to do, and did it do it?

Most of the time, the honest answer is yes. It did the thing it was built to do, for as long as it was built to do it, and then time did its job.

The grade you've been carrying is one you assigned yourself. You're allowed to take it back.

“Time's job is to move things through phases. When something ends on schedule, that isn't the system failing; that is the system working exactly as designed.”

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About the author

Christian Espinosa · Founder & CEO, Blue Goat Cyber

I'm the founder and CEO of Blue Goat Cyber, a medical device cybersecurity firm where my team has supported 250+ FDA submissions with zero failing to clear on cybersecurity. I previously founded and sold Alpine Security. I host The Med Device Cyber Podcast and wrote The Smartest Person in the Room and The In-Between: Life in the Micro, with Medical Device Cybersecurity: An In-Depth Guide out in 2026. Air Force Academy grad, 24x Ironman, climber of two of the Seven Summits.

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