There's a particular kind of bad day that doesn't involve anything actually going wrong.

You know the one. Everything is fine (objectively, measurably fine) and yet there's this low hum of dissatisfaction running underneath everything. Like the universe is slightly out of tune and you can't find the source of the sound. You're not sad exactly. Not anxious exactly. Just... off. And the offness is somehow more annoying than actual problems would be, because at least with actual problems you know what you're dealing with.

Buddhism has a name for that feeling. 

Three observations about the nature of existence that, once you hear them, start showing up everywhere. Not because they're profound (well, I think they are profound) but because they're accurate. Annoyingly, persistently accurate.

They're called the Three Marks of Existence. Which sounds grand. They're really just three things the Buddha noticed about experience or perception that nobody seems to be able to get around, no matter how hard they try.

The first one is impermanence. Anicca in Pali. And yes, everyone knows things change; that's not the insight. The insight is how consistently we live as though they don't.

Think about the last time something good happened. A great night out, a relationship clicking into place, a stretch of weeks where you felt genuinely on top of things. At some point during that, did you notice yourself trying to hold onto it? Not consciously maybe. But some part of you registering that this is good, this should stay, please let this stay.

It doesn't stay. Nothing does. And the gap between knowing that intellectually and actually metabolizing it — actually feeling it in the way you move through your days — is where a surprising amount of suffering lives.

Here's the version that hit me hardest: it's not just the bad stuff that's impermanent. Obviously the bad stuff passes, and that's a relief, and people love to quote that. But the good stuff passes too. The version of yourself you're proud of right now. The friendship that feels effortless. The motivation that showed up out of nowhere last month. All of it moving, all of it changing, whether you're paying attention or not.

Which doesn't mean nothing matters. It means something almost opposite — that things matter precisely because they're temporary. But that reframe takes a while to actually believe rather than just say.

The second mark is the one we already spent time with: dukkha. Suffering, dissatisfaction, friction — pick your translation, none of them quite land. It's that low hum again. The structural gap between wanting things to be a certain way and the way they actually are.

What makes dukkha a "mark of existence" — meaning a feature of conscious experience, not just a bad mood — is the claim that it's not situational. It's not that life is hard sometimes and that causes suffering. It's that even when life is going well, there's a kind of subtle reaching happening. A leaning toward the next thing. An inability to just... be here, without wanting here to be slightly different.

I notice this most in moments that should feel complete. Finishing something I worked hard on and immediately thinking about what's next. Being somewhere beautiful and half-composing how I'd describe it to someone else. The experience and the grasping at the experience happening simultaneously, slightly ruining each other.

That's dukkha. Not dramatic. Just persistent. And the reason it's worth naming is the same reason it's worth naming any pattern — once you can see it, you have at least a chance of not being completely run by it.

The third mark is the one that takes the longest to sit with. Anatta. Non-self.

Okay so — this one sounds like it's going to go somewhere very abstract and philosophy-seminar, and I want to try to keep it from doing that. Because the actual point is practical, even if the framing is weird.

Non-self isn't saying you don't exist. It's not nihilism, it's not "nothing matters, we're all just atoms." It's more like — the fixed, permanent, consistent "you" that you carry around as an identity? That thing is less solid than it feels.

Here's what I mean. The you that existed at fifteen had different values, different fears, different things that felt like the core of who you were. The you right now would probably find that person kind of embarrassing in some ways, maybe kind of pure in others. And the you in ten years will look back at current you with a similar mix. So which one is the real you?

All of them. None of them. Something more like a process than a thing.

The practical version of this — the version that actually matters day to day — is about how tightly you hold your self-concept. Your identity. The story you tell about who you are and what you're like and what you're capable of. Because if that story is fixed, it limits you.

The Feature

The hum arrives
a radio between stations
a vibration in the floor
of a house that is technically still.
The drift is structural.
I watch the fifteen-year-old
a ghost in a borrowed coat
not for a soul, but for a passing weather.
Stop.
Not the rock, just the river.
Not the story, just the ink.
The machine is building a permanent me.
For once, I am
letting the image blur.

If you're "not a morning person" or "bad at confrontation" or "someone who doesn't finish things," and you hold that as a permanent fact about yourself rather than a current pattern — you've made it load-bearing. You've built your behavior around a story that was never as solid as you thought.

Non-self is the permission slip to revise the story. Not because it was wrong exactly, but because it was never the whole truth.

So. Three marks. Impermanence, dissatisfaction, non-self. And here's the thing about them as a set — they're not separate observations that happen to be grouped together. They're three angles on the same underlying point.

Which is something like: experience is fluid. The self moving through that experience is fluid. And the suffering we feel is largely the friction generated by treating fluid things as though they're solid.

The mood that feels permanent — isn't. The version of yourself you're stuck being — isn't fixed. The dissatisfaction running underneath a good day — it's real, but it's also not the whole story, and it's not telling you something is wrong with you specifically.

It's just telling you something is true about experience in general.

And there's something in that — I'm not sure it's comfort exactly, more like company. Like finding out the thing you thought was your particular malfunction is actually just a feature of being conscious and alive and paying attention.

Which doesn't fix it. But it does change what you do with it.

For Further Exploration

These markers are for those ready to stop treating the fluid as solid.

The Analysis of Impermanence

Read the Aniccalakkhana Sutta (SN 22.102). It provides the technical breakdown of how perceiving impermanence in the five aggregates leads to the dismantling of "the leaning toward the next thing."

The Problem of the 'I'

Investigate the Anatta-lakkhana Sutta (SN 22.59). This was the Buddha’s second sermon. It doesn't argue that the self is an illusion, but rather that nothing we point to—body, feelings, perceptions—stays still long enough to be called a permanent "self."

The Fluidity of Experience

Explore the Phena Sutta (SN 22.95), which uses the metaphors of foam on a river, a mirage, and a magic trick to describe the empty, process-like nature of our internal "load-bearing" stories.

The Structural Gap

For a modern psychological take, look into the "Hedonic Treadmill" theory. It provides a contemporary scientific parallel to the second mark, explaining why the "low hum" of wanting persists even after we achieve what we thought would satisfy us.