Contempt is the one that predicts an ending

The points below about destructive conflict habits are ordered by how much difference they make, not by how often they get repeated.

Arguing is not the problem

Long-term couples argue, often about the same handful of things, and frequency of conflict is a poor predictor of whether they stay together. What distinguishes durable relationships is how the arguing is done rather than how much of it there is. Couples researchers have consistently identified a small set of behaviours that predict poor outcomes, of which contempt is the most damaging.

This is one of the better-replicated findings in relationship research, though it describes probabilities rather than destinies.

What contempt actually is

Contempt is communication from a position of superiority: mockery, sarcasm about a partner's character, eye-rolling, name-calling and public belittling. It differs from anger, which treats the other person as an equal you are furious with.

Here is the part people skip: it is corrosive because it tells the other person they are beneath argument, which cannot be answered. It is also usually the visible end of a long period of unaddressed resentment.

Criticism and complaint are different

A complaint is about an action: you did not call and I was worried. A criticism is about a person: you never think about anybody but yourself. The first is answerable and the second is a charge about character, which invites either defence or counter-attack.

Converting criticisms into complaints is a mechanical change that noticeably reduces escalation.

Defensiveness has a cost

Meeting a complaint with a counter-complaint or an explanation of why it was not your fault reliably extends the conflict. Accepting even a small part of the point — that you were late, whatever the reason — usually ends it faster than any defence. This feels like conceding and functions as de-escalation.

Most of the time, it costs less than winning does.

Prevention is outside the argument

Contempt grows from resentment that has accumulated without being raised, so the prevention happens weeks earlier. Regularly saying small things while they are small is what keeps them from turning into a case about somebody's character. Deliberate appreciation, said out loud, is the direct counterweight and is dismissed as trivial by exactly the couples who need it.

Said plainly, couples who maintain a strong ratio of warm interactions to critical ones absorb conflict far better.

You are allowed to want something different from what is described here.

When it has already set in

Established contempt rarely resolves through good intentions, because it has usually replaced the belief that the other person is worth arguing with. Couples therapy is effective for this and is more effective earlier, which is the opposite of when most people seek it. A relationship where one person is systematically demeaned is not a communication problem; sustained humiliation is a recognised form of emotional abuse.

If that is the picture, specialist support rather than a communication technique is the appropriate step.

Everything above, in order of what to do first

1. Arguing is not the problem. Long-term couples argue, often about the same handful of things, and frequency of conflict is a poor predictor of whether they stay together.
2. What contempt actually is. Contempt is communication from a position of superiority: mockery, sarcasm about a partner's character, eye-rolling, name-calling and public belittling.
3. Criticism and complaint are different. A complaint is about an action: you did not call and I was worried.
4. Defensiveness has a cost. Meeting a complaint with a counter-complaint or an explanation of why it was not your fault reliably extends the conflict.
5. Prevention is outside the argument. Contempt grows from resentment that has accumulated without being raised, so the prevention happens weeks earlier.
6. When it has already set in. Established contempt rarely resolves through good intentions, because it has usually replaced the belief that the other person is worth arguing with.

The takeaway

Complain about actions, never about character, and say the small things before they turn into a case.

The right person will not need you to be strategic about it.