The Marble Jar: How to Know If You Can Actually Trust Someone You're Dating

It is easy to be good in the beginning.

Anyone can be attentive for three weeks (or even a couple months). Anyone can text back quickly when the texting is still fun, show up on time when showing up is exciting, and say the exact right thing when saying it costs them nothing.

Character shows up later. It shows up when being good is inconvenient. When it costs him something. When there is no audience and no reward for doing the decent thing.

That gap, between who someone is when it is easy and who they are when it is not, is where most of the heartbreak lives.

We keep mistaking intensity for evidence

If you have been reading along with me lately, you know I have been writing about why certain relationships feel so magnetic, and why the nervous system reads unpredictability as chemistry.

Here is the part that follows from that.

When a connection feels intense early, we tend to treat the intensity itself as information.

He remembered my coffee order. He told me about his childhood on the second date. He said he has never felt this way before.

None of that is evidence. It is a good feeling, and a good feeling is not the same as information.

It feels like evidence because it arrives with a physical charge, and we are wired to trust a physical charge. But the fluttery, sped-up, cannot-stop-thinking-about-him feeling is not measuring his trustworthiness. It is measuring your own activation.

Which means the very thing we use to decide someone is safe is the thing least equipped to tell us.

If you lean anxiously attached, this happens faster than you can catch it

I want to name this specifically, because it is not a small difference in degree. It is a different speed entirely.

If you lean anxious in relationships, your system does not warm up to someone gradually. It attaches quickly and completely, often within the first few weeks, and it does it on the basis of very little actual information.

Here is why. An anxiously attached nervous system is organized around the question of whether connection is available. So when someone shows up with intensity, texting constantly, calling you different from anyone he has met, wanting to see you again immediately, that is experienced as relief.

And relief is an incredibly powerful feeling. It bonds you much faster without enough information.

That is how you end up three weeks in already imagining a future, already reorganizing your schedule around him, already feeling like losing him would be a loss of something real, when what you actually have is nine hours of information about a stranger.

None of that makes you naive. Falling fast is not a character defect and it is not something to be embarrassed about. It is a nervous system doing exactly what it learned to do, which is grab connection quickly and hold on, because somewhere along the way holding on loosely did not feel safe.

But it does mean that intensity is not a reliable signal for you. It is the least reliable one you have, because your system rewards it the most.

The marble jar is useful here precisely because it moves the question off of how you feel and onto what you have actually watched happen, more than once.

The marble jar

Brené Brown describes trust using an image she borrowed from a grade school classroom, where marbles went into a jar every time the class made a good collective choice.

Trust, she argues, is not built in one grand gesture. It is built marble by marble, through small moments that mostly look like nothing at the time.

I love this because it is honest about the timeline.

A performance can survive a big romantic moment. A weekend away. A beautifully worded text. What a performance cannot survive is four hundred small ones. Nobody can sustain a character they are playing across hundreds of ordinary, unglamorous, nobody-is-watching Tuesdays.

Time is not you being cautious. Time is the actual measurement instrument.

What actually counts as a marble

Not flowers. Not the excellent third date. Not a beautifully worded text. Those are deposits into your feelings, not into the jar.

A marble looks like this:

• He remembered something small you mentioned once, weeks ago, and you never had to repeat it.

• He said he would call at seven and he called at seven, on an ordinary Tuesday when it did not matter.

• You told him something you were ashamed of and he did not flinch, did not fix it, and did not bring it up later as leverage.

• He was inconvenienced for you and did not narrate the inconvenience.

• He told you the truth about something small when a lie would have been easier and no one would have known.

• He held secrets you shared and asked him to keep. Nothing traveled to anyone.

• He came back after conflict without being chased.

• He asked how the thing went, the thing you were nervous about, without being reminded.

• He said no to you honestly, instead of saying yes and quietly resenting it.

Read that list again and notice what it has in common. Every single item is small. Every single item is boring. Not one of them would make a good story to tell your friends.

That is the point. The jar does not fill with anything impressive.

One time is a data point. A pattern is a marble.

This is the part I most do not want misread, so I am going to say it plainly.

A single instance of anything on that list is not a marble. Neither is a single instance of anything that takes one out. One good moment does not tell you he is trustworthy, and one bad moment does not tell you he is not.

You are not building a case. You are watching for repetition.

Anyone can remember a detail once. Anyone can be short with a waiter once, on a bad day, in a way that is not representative of anything. What you are looking for is the thing that keeps happening, in the same shape, when the circumstances are different.

So the question is never "did he do this." The question is "does he do this."

If you find yourself able to point to exactly one incident, you do not have a marble in or out. You have a moment. Note it, stay curious, and let time tell you whether it was a one-off or the first time you saw something that was always there.

Marbles come out of the jar too

Trust is not a running total that only increases.

Broken small promises, disappearing during difficulty, learning something about him from someone else, or secrets you shared and asked him to hold that reached other people, all take marbles out.

Same rule applies going this direction, and it matters even more here. One broken promise is not a pattern. One hard week where he went quiet is not abandonment. He is allowed to have a bad month without it meaning something about his character.

The question is not whether marbles ever come out. They will. He is human.

The question is whether he notices they came out, and whether he puts them back without being asked.

That distinction matters more than almost anything else on this page.

Repair, not perfection

I want to really break this concept down here, because this is where a good idea very easily turns into an impossible standard.

You are not looking for someone who never gets it wrong. That person does not exist. And if he appeared to, you would be looking at a performance again, which is the thing we started this whole post trying to see through.

What you are actually assessing is two things: Whether he is willing to do the work, and whether he has the capacity to.

Those are not the same, and the difference is worth sitting with. Willingness is whether he wants to. Capacity is whether he can right now, given what he has lived through and what he learned about closeness long before he met you.

Someone can be genuinely willing and still get it wrong at times. Getting it wrong is workable. Those skills can be learned alongside you, and honestly, most of what makes a relationship good gets built exactly there, by two people who did not arrive knowing how and figured it out together.

What cannot be learned alongside you is a man who is not willing.

You cannot supply willingness on someone else's behalf. Not by explaining it better, not by being patient longer, not by seeing his potential more clearly than he sees it himself. That is the line between a relationship where two people are growing and one where you are doing the growing for both of you.

So here is what you are actually watching for:

• The first one makes a mistake, sees it, and takes accountability and initiates repair on his own, without you chasing for resolution.

• The second one needs you to manage the fallout, explain the problem and how he hurt you, and lead the apology.

You are not looking for someone who never takes a marble out, meaning someone who never makes a mistake. You are looking for someone who puts it back, meaning someone who takes accountability and leads repair.

Rupture is not the problem

Every close relationship ruptures. Small misattunements, missed cues, moments where one person was not there in the way the other one needed. That is not a sign something is wrong. That is simply what happens when two nervous systems get close to each other.

Security does not come from the absence of rupture. It comes from the reliability of repair.

What makes a relationship feel safe over time is not that nothing ever goes badly. It is that you have watched things go badly and come back together enough times that you start to believe you will again.

Which means every rupture is information you could not have gotten any other way. You cannot find out how someone handles being wrong until he is wrong.

Being told once is not a failure

One more distinction, because the two lines above can be read more harshly than I mean them.

There is a real difference between someone who needs to be told once and someone who needs to be told every time.

The first time you name something, he may genuinely not have known. People come out of different families with completely different rules about what is obvious, what is rude, what counts as reassurance. Having to say a thing out loud is not a red flag. It is a conversation.

The signal is what happens after he knows.

Does the same injury keep arriving, in the same shape, requiring the same explanation from you? That is the moment you are no longer teaching. You are maintaining.

And you have to actually give him the chance

Here is the trap I see most, and it is a distinctly anxious one.

You get hurt. You decide not to say anything, because you do not want to be too much, or because some part of you is quietly testing whether he will notice on his own. He does not notice. You move him down a category without ever telling him there was a category.

But he was never given the chance to repair something he did not know was broken.

If you never name the injury, you do not find out whether he would have repaired it. You only find out that he cannot read minds, which you already knew.

Naming it is not chasing. Chasing is what happens after you name it clearly and he does nothing with it. Those two things are not the same, and collapsing them will cost you people who would have shown up.

None of this is about leaving the moment things get hard. It is about paying attention to who does the work of repair, and making sure you gave them a real opportunity to do it.

Why the waiting feels unbearable

"Where the hell is my husband?!"

Having to stay patient while dating can feel unbearable especially when you're like "girl, I'm over this dating game! Where the hell is my husband?!"

Here's the thing: You can understand every word of this and still find it almost physically intolerable to not know yet. To sit in the discomfort of waiting and observing.

If you lean anxious in relationships, uncertainty does not register as a neutral gap. It registers as danger. Your nervous system treats "I do not know where this is going" the way it would treat a threat, and it starts hunting for resolution, because resolution is the only thing that will turn the alarm off.

So you do the things. You reread the texts. You ask your friends to interpret his behavior. You look for a guarantee, some sentence he could say or gesture he could make that would let you finally exhale and stop scanning.

I want to be gentle about this, because that hunting is not a character flaw. The part of you that needs to know right now is trying to protect you from being blindsided again. It learned somewhere that certainty equals safety. It is working extremely hard on your behalf.

It is just working with the wrong tool.

Because the reassurance never actually lands. You get the text, and you feel steady for an hour, and then the alarm comes back on. Certainty acquired from him is a loan, not an asset. It has to be renewed constantly, and the interest is your peace.

The only thing that genuinely resolves the question is time. Which is the one thing the anxious part of you refuses to accept as an answer.

What to do instead

Drop one marble in the jar. Then keep living your life and enjoying the journey.

That is genuinely most of it. But specifically:

Let the jar fill at its own rate: You do not have to decide about him this week. Not deciding is a legitimate position, and it is available to you.

Stop grading the highlights: Big gestures are not data. When something impressive happens, enjoy it, and do not let it move him forward three rounds.

Watch the ordinary Tuesdays: How he handles a small inconvenience tells you more than how he handles a big occasion.

Notice repair, not perfection: You are not looking for someone who never takes a marble out. You are looking for someone who puts it back.

Keep your own jar in view: This works in both directions. You are also filling a jar for him, and you are also allowed to be a human who is still learning.

This is not a test you are giving him

I want to be VERY clear here, because the marble jar can be misused, so please read this section carefully.

This is not a scorecard. It is not permission to stay guarded, run surveillance, or withhold yourself until he passes some threshold you never told him about. That is not discernment. That is just a more organized version of self-protection, and it will keep you exactly as alone as chasing does.

It is also not a way to disqualify someone over one thing he did. If you are using this to build an argument against a man, you have picked it up backwards. Nothing here is meant to help you find the moment he failed. All of it is meant to help you slow down long enough to see who he actually is, which is a thing that only becomes visible across many ordinary weeks.

You can be warm and open and generous while the jar is filling. You can enjoy him. You can be genuinely happy around him and just enjoy the journey.

You just do not hand over the whole thing yet.

Openness and pacing are not opposites. You are allowed to be fully present with someone and still let time answer the question that only time can answer.

The reframe

The beginning of a relationship is not the audition for the relationship. It is the trailer.

Trailers are made of the best moments, cut together, scored beautifully. They are designed to make you feel something. They are not designed to tell you the truth about the film.

So enjoy the trailer. Let it be lovely. Enjoy the early stage of dating because it is genuinely fun and exciting.

And then let the marbles do what only marbles can do, which is accumulate slowly, in the least exciting way possible, until one day you look at the jar and realize you are not wondering anymore.

Brown, B. (2012). Daring Greatly: How the Courage to Be Vulnerable Transforms the Way We Live, Love, Parent, and Lead. Gotham Books.

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Julia Hartman is a Licensed Clinical Social Worker and dating coach who works with women on attachment, confidence, dating, and building lives they're truly aligned with. To join her community where you'll receive weekly tools, updates, special offers and more:

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This post is for educational purposes and reflects the author's clinical perspective. It is not a substitute for individualized mental health care.