Most people have a list, whether or not they have written it down. Height, profession, whether they want children, how they vote, whether they read, how they feel about dogs, the way they dress.
Some of these matter enormously. Most do not, and the ones that do tend not to be on the list, because they are harder to name and cannot be assessed from a profile.
The result is a filter that is simultaneously too restrictive and too permissive: it excludes people who would have worked and admits people who will not, which is an impressive combination for a single instrument.
Why the list is usually the wrong list
Lists get built from what is easy to specify, and what is easy to specify is not what determines whether a relationship works.
Observable attributes are simple to state and check: age, height, job, education, interests. So they dominate the list, not because anyone believes they are decisive but because they are the available material.
What actually determines how a relationship goes is much harder to put on a list: how someone behaves when they are wrong, whether they can hear something difficult without retaliating, how they treat people who cannot do anything for them, whether their words and actions correspond.
None of that is visible in a profile, and all of it is more predictive than everything that is.
The things that make relationships work are almost entirely invisible at the point where most people are doing their filtering.
The difference, defined properly
A dealbreaker is something that makes a good relationship impossible for you specifically. Not undesirable, impossible. If it is present, no amount of goodness elsewhere compensates, and continuing means one of you giving up something fundamental.
A preference is something you would rather have. Its absence costs something, and the cost can be outweighed.
The test is straightforward. Imagine the person is wonderful in every respect except this one thing. If you can picture a good long relationship despite it, it is a preference. If the relationship you picture is one where you are permanently compromised or they are, it is a dealbreaker.
Most items on most lists fail that test immediately, which is the useful discovery.
Two genuine dealbreakers that do pass, and which deserve naming because they are the clearest examples: wanting children versus not wanting them, and fundamental incompatibility about where and how you will live your life. These are not preferences because there is no middle position. Someone either has a child or does not.
The three categories your list should sort into
| Category | Definition | Typical count |
|---|---|---|
| Dealbreakers | Makes a good relationship impossible. No compensation available | Three to five |
| Strong preferences | Materially affects quality. Would need real compensation elsewhere | Perhaps five |
| Preferences | Nice. Will stop mattering within a year | However many, and they should not be filtering |
The exercise worth doing is taking your existing list and sorting it. Most people find the top category nearly empty and the bottom one full, which is the diagnosis.
A note on the first category. Three to five is not a rule, and the number matters less than the honesty. But a list of fifteen dealbreakers is not a list of dealbreakers, it is a list of preferences with a stronger word attached, and it will function as a mechanism for ruling people out rather than for choosing well.
A worked example: the list that filtered out the right person
Someone with a reasonably typical list. Must be ambitious, must be well read, must be into fitness, must not have been married before, must be taller than her, must want to travel.
Over two years this list does its job efficiently. It rules out a great many people quickly.
Among those ruled out: a man who was previously married, briefly, in his twenties. On paper, a dealbreaker.
Among those admitted: someone ambitious, well read, athletic, never married, tall and keen to travel. Six for six.
That relationship lasted fourteen months and was difficult for most of them. He was ambitious in a way that consumed everything else. He could not be disagreed with without going cold for a day. When she raised anything, the conversation became about how she had raised it. None of that was on the list, because none of it is listable.
Look at what the list measured and what it missed. It measured attributes, accurately. It said nothing about how conflict would go, which is what determined the outcome.
The honest version of this example includes a caveat: the previously married man is not presented here as the one who got away, and nobody knows how that would have gone. The point is narrower. The list did not fail because it excluded him. It failed because none of its six criteria had any relationship to the thing that eventually ended the relationship it approved.
How this is taught inside Astra Trainer
Coming to dating from steadier ground is one of the three stated aims of the Attracting healthy love direction in the Love & Relationships world, alongside seeing the pattern you repeat and finishing healing from the last relationship.
Steadier ground is partly about knowing what you are actually looking for, as distinct from what is easy to specify. The direction places this after pattern recognition and healing for a reason: a list made while still reacting to the last relationship tends to be a list of that person's faults rather than a description of what you want. Lessons take about five minutes and a guide walks you through anything strange.
Why traits predict less than behaviour
The shift that makes a list useful is from what someone is to how someone acts.
Traits are static and mostly irrelevant to daily life together. Behaviour is what you actually live with.
Four behavioural areas carry most of the predictive weight, and all four are observable within a few months if you are watching for them.
How they handle being wrong. Do they acknowledge it, or does it become about how it was raised? This single behaviour shapes every future disagreement.
How they treat people who can do nothing for them. Waiters, junior colleagues, strangers. This is one of the most reliable available signals of character and it costs nothing to observe.
Whether words and actions correspond. Not whether they say good things, but whether the stated thing happens. Track it over weeks rather than assessing it in a moment.
What happens when they are stressed. Everyone is pleasant when things are easy. How someone behaves under pressure, toward you, is the version you will live with during the difficult periods every long relationship contains.
Why these do not go on profiles. None of the four can be assessed before meeting someone, which means the filtering most people do happens entirely in the domain that does not predict, and the domain that does predict is only accessible after they have already passed the filter. That is worth knowing, because it argues for filtering less at the start and observing more early on.
The dealbreakers people leave off
Several things belong in the first category and are almost never written down, usually because they feel too obvious to state or too uncomfortable to name.
Contempt. Someone who speaks about you, or about others, with disdain. This does not improve and it is corrosive in a way that outlasts everything else.
Inability to repair. Some people cannot come back after a disagreement. No acknowledgement, no reconnection, just a wait until it is not discussed. A relationship with no repair mechanism accumulates damage indefinitely.
Your account of events being treated as unreliable. Someone who routinely responds to what you have observed by disputing that you observed it. This is corrosive in a specific and serious way.
Anything that makes you smaller. If the version of you in this relationship is quieter, more careful, less in contact with people you care about, that is a structural problem rather than an adjustment.
Any violence, threat, or control. Not a preference and not a matter of compatibility. If a partner frightens you, monitors you, isolates you from people, or has been physically violent even once, that is a dealbreaker regardless of anything else present, and a domestic abuse service is the right place to go rather than a framework about relationship standards.
How to build a list that is actually useful
Five steps.
Write everything down without editing. All of it, including things you feel embarrassed about wanting. The unedited version is the one worth sorting.
Sort into the three categories using the compensation test. Could someone be wonderful in every other way and this still make it impossible? Most items will move downward.
For every remaining dealbreaker, ask why. Some will turn out to be proxies. "Must be ambitious" often means "must not need me to carry everything," which is a different and more accurate requirement and admits a much wider range of people.
Add the behavioural ones deliberately. Handling being wrong, treating people well, matching words to actions, behaviour under stress. These will not occur to you naturally because they are not how lists get built.
Decide how each one is assessed. A requirement you cannot check is decoration. For behavioural ones, the answer is usually time and attention rather than a question, which is itself an argument for meeting people before filtering them.
Why flexibility is not the same as no standards
The predictable objection to all this is that it sounds like lowering standards. It is closer to the opposite.
A long list of superficial requirements is not high standards, it is a filter operating on the wrong variables. It is entirely compatible with ending up in a bad relationship with someone who met every criterion, which is the scenario the worked example describes.
A short list of behavioural requirements is more demanding, not less, because it is harder to satisfy. Plenty of people are tall, well read and ambitious. Rather fewer can be disagreed with without retaliating.
It is also more open, because it admits people who would have been excluded by criteria that never mattered.
The combination is the point: more open about attributes, considerably stricter about behaviour. That is a higher standard applied to the things that determine the outcome.
The part that takes months rather than minutes
Sorting a list takes an evening. Actually holding a behavioural standard takes much longer, because it requires noticing something over weeks while you already like someone, and liking someone is precisely the condition under which people stop noticing.
The Love & Relationships world is built for that longer timeframe. Quizzes follow each topic and each course ends with a ten-question final exam, and the daily Connections round and 10x10 crossword are generated from this world's own lessons, which keeps the concepts retrievable rather than letting them fade into something you once agreed with. Daily quests, points and a streak carry five-minute lessons through the stretch where nothing is happening.
A Circle gives you a small group with a shared weekly goal and live sessions, and for this material the group functions as the outside view, which is the thing that is hardest to supply for yourself while you are interested in someone.
What to take from this
Most lists are preferences wearing the word dealbreaker, while the genuine requirements go unnamed because they are harder to specify.
The compensation test sorts them: could someone be wonderful in every other way and this still make it impossible?
Traits predict poorly and behaviour predicts well. How someone handles being wrong, treats people who can do nothing for them, matches words to actions, and behaves under stress.
The most important dealbreakers are usually behavioural, and none of them are visible at the filtering stage, which argues for filtering less and observing more.
And fewer, better requirements is a higher standard rather than a lower one, because behaviour is harder to satisfy than attributes.
Is it wrong to have physical preferences?
No, attraction matters and pretending otherwise helps nobody. The question is whether a specific physical criterion is genuinely a dealbreaker or a narrow version of something broader, since many people find their actual range is wider than their stated one.
How many dealbreakers should I have?
Fewer than most people start with. The number matters less than whether each one survives the compensation test honestly. A long list usually indicates preferences that have been upgraded rather than requirements that have been identified.
What if my dealbreaker is something like ambition?
Worth interrogating, because it is frequently a proxy. Ambition can stand in for financial security, shared drive, or not wanting to carry someone. Naming the underlying requirement makes it both more accurate and satisfiable by more people.
Should I tell someone my dealbreakers?
The ones that are genuinely non-negotiable and time-sensitive, particularly around children, are worth raising earlier than feels comfortable, because discovering an incompatibility after two years is far more costly than an awkward conversation in month two.
Where can I learn this systematically?
The Attracting healthy love direction inside the Love & Relationships world of Astra Trainer covers seeing the pattern you repeat, finishing healing, and coming to dating from steadier ground. Lessons take about five minutes and the first needs no card. You can see what is inside the world here.



