You're Not In Love, You're Just Bad at Quitting
Photo: Elizabeth Ashley Jerman, CC BY 2.0, via Wikimedia Commons
Somewhere between your third "we should probably talk" conversation and the moment you silently watched them eat cereal wrong again, you had a thought. Not a romantic thought. Not even a hopeful one. Just a quiet, devastating little spreadsheet that your brain opened up without your permission.
But we've been together for two years, four months, and roughly eleven days.
Congratulations. You've just discovered the sunk cost fallacy — and it has been running your love life like a passive-aggressive project manager for longer than you'd care to admit.
What Even Is This Trap You're In
The sunk cost fallacy is an economics concept that basically says: humans are terrible at cutting their losses. We keep throwing good money — or in this case, good years — after bad because walking away feels like admitting the whole thing was a mistake. And admitting mistakes is, for many of us, genuinely harder than staying miserable.
Economists invented the term to explain why companies keep funding failing projects. But honestly? Those economists had clearly never had to split a Hulu password with someone they were 60% sure they didn't like anymore.
In relationships, the sunk cost fallacy sounds like this:
- "But they already met my whole family at Thanksgiving."
- "We have a shared Spotify playlist with 340 songs. You don't just abandon 340 songs."
- "I already know their coffee order. Starting over means teaching someone new that I take oat milk and I am not emotionally prepared for that conversation."
None of these are reasons to stay with someone. All of them have, at some point, been the actual reason someone stayed with someone.
The Inventory We Take (Instead of Leaving)
Here's how it works in practice. Things aren't great. Maybe they haven't been great for a while. Your gut is sending you memos — urgent ones, with little red exclamation points — and you are filing them directly into your mental spam folder.
Instead of acting on those memos, you open the mental ledger. You start counting assets.
The couples photos. The inside jokes that would require a forty-five-minute debrief to explain to any future partner. The dog you're not technically sure whose dog it is. The fact that you already told your mom you were "pretty happy" and reversing that statement now means a conversation you are absolutely not ready to have.
This is the inventory. It's detailed. It's compelling. And it is completely irrelevant to whether you should actually stay.
Because here's the thing nobody tells you about sunk costs: the time is already gone. The dinners, the arguments, the vacations, the years — spent. Non-refundable. The only question that actually matters is whether you want to spend tomorrow the same way. And somehow, that question is the hardest one to answer honestly.
The "Admitting Failure" Problem
There's a specific flavor of the sunk cost trap that hits especially hard for millennials and Gen-Z, and it goes something like this: leaving means I was wrong.
We are a generation that has been told, loudly and repeatedly, to trust our instincts. To know our worth. To not settle. So when a relationship that we chose, loudly and publicly, turns out to be not-quite-right, leaving starts to feel like a referendum on our judgment.
So we don't leave. We rebrand. We call it "going through a rough patch." We download a couples' app. We suggest a weekend trip to "reconnect," which mostly means we sit in a slightly nicer location and have the same dynamic we have at home, but with better cheese.
Breaking up starts to feel like failure. And we would rather be quietly, privately miserable than publicly, visibly wrong.
The Spotify Playlist Is Not a Legal Document
Let's go through some of the most common sunk cost justifications and deal with them directly.
"We've been together for X years." Yes. And? Time passing is not the same as time well spent. You've also been putting off scheduling a dentist appointment for two years. That doesn't mean you should keep doing it.
"They know everything about me." This one feels significant but is actually an argument for leaving. Someone who knows everything about you and still isn't treating you well isn't a soulmate. They're just informed.
"Starting over sounds exhausting." Okay, fair. Valid. Starting over IS exhausting. But you know what's also exhausting? Staying somewhere you've already mentally left and just haven't had the conversation yet.
"But the good times were so good." Yes. They were. And they will remain good, in your memory, forever. Nothing about leaving erases that. The highlight reel stays. You're just choosing not to keep filming.
What You're Actually Protecting
Here's the part that stings a little: most of the time, when we stay for sunk cost reasons, we're not protecting the relationship. We're protecting the story we told about it.
The version we posted about. The version our friends know. The version we pitched to ourselves when we were falling for this person and everything felt like a sign. Leaving means retiring that story, and that's a grief most people don't account for.
You're allowed to grieve a story. You're allowed to mourn the version of this relationship that existed in your best moments. That's real, and it's valid, and it deserves to be felt.
But you can't live inside a story that stopped being true eighteen months ago just because you liked how it started.
So Here's the Uncomfortable Bit
The sunk cost fallacy thrives in the gap between what we know and what we're willing to act on. Most people — if they're being honest, in a quiet moment, probably at 2am — already know. They know if it's working. They know if they're happy. They know if they're staying out of love or staying out of logistics.
The math we're doing, the inventory we're taking, the playlist we're citing as evidence — it's not analysis. It's delay.
And that's okay. Leaving is hard. Timing is complicated. Life is messy and nonlinear and sometimes you need three more months before you can actually do the thing you know you need to do.
But maybe — maybe — stop calling it love when what it really is, is fear of a blank calendar and an awkward text to your mom.
The sunk cost fallacy will always whisper that leaving wastes everything that came before. The truth is, leaving is the only way to stop wasting what comes next.