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What predicts strain

9 min read

Does Checking Up on Your Partner Online Do Damage?

322 people were followed across three years. Jealousy predicted checking a year later, and checking predicted nothing at all — which is still not permission to go through somebody's phone.

A phone lying face-down on a kitchen table beside a cooling cup of tea in lamplight, with an empty chair pushed back

The advice is everywhere and it is always stated with confidence. Checking up on your partner destroys trust. Stop looking at their profile, stop counting who they follow, and the suspicion will fade on its own.

We went looking for the evidence behind that. What we found is a literature that is almost entirely cross-sectional, one unusually good longitudinal study, and a result that does not say what the advice says.

What the study did

A Canadian team followed young adults in Quebec across three measurements, each a year apart. The people in the analysis had to be in an exclusive relationship with the same partner at all three points, which leaves 322 of them, aged 18 to 29 when the study started and together for about three years on average.

At each wave they reported how jealous they felt about things they saw on social media, how much they checked up on their partner online, and how satisfied they were with the relationship. The analysis then tested which of those predicted which a year later, with every path controlling for the same measure at the earlier wave. That control is what makes this worth reading: the model is asking about change over a year, not about two things that happen to travel together.

What it found

The order runs the opposite way from the advice.

Jealousy came first. Feeling jealous about what you saw online at the first wave predicted more checking up a year later, a small but statistically reliable path of 0.10. The reverse path was flat: checking up at the first wave did not predict jealousy a year later, at 0.03 and nowhere near significance.

Which way the arrow is allowed to pointFeeling jealous aboutwhat you see onlineChecking up ona partner online0.100.03, not significantRelationship satisfaction,a year after thatlower satisfactionno detectable effect
Solid arrows are the paths that reached significance; dashed arrows are the ones that did not. The direction the popular advice assumes — checking corrodes the relationship — is the dashed line at the bottom right. On these three waves, jealousy leads and checking follows.Standardised path coefficients from Métellus, Vaillancourt-Morel, Brassard & Daspe (2025), 322 young adults measured three times over two years, each path controlling for the same construct at the earlier wave.

Then the finding that matters most. Checking up on a partner did not predict relationship satisfaction a year later at all. Jealousy did, and in the expected direction — more jealousy, less satisfaction later. The checking itself showed no detectable effect, and the whole chain from insecurity through jealousy through checking to satisfaction came out null, with a confidence interval sitting across zero.

The authors say it directly: on this evidence, electronic partner surveillance is unrelated, at least longitudinally, to relationship satisfaction. They note this contradicts several cross-sectional studies and agrees with several others.

The limit that decides how far this travels

Before anybody carries that anywhere, read what was actually measured.

The checking in this study is six questions about monitoring a partner's social media, rated from never to always. The averages were 2.45 and then 2.14 on a scale running to seven. This is low-level, mostly passive looking at somebody's profile.

It is not reading their messages. It is not going through their phone while they sleep, demanding passwords, installing location tracking, or any of the things people usually mean when they say snooping. None of that was measured, so none of it was tested. A null result on profile-checking is not a clean bill of health for surveillance in general, and this article is not offering one.

An honest reading of the rest of the limits

The couples where it probably went worst are not in the sample. To be included you had to be with the same partner at all three waves, which removes every relationship that ended over the two years. The people excluded for other reasons also scored significantly worse on almost everything relevant: more attachment anxiety, more jealousy, more checking, less satisfaction. Both selections push in the same direction, toward a null.

Only one person in each couple was measured. Nobody asked the partner whether they knew they were being checked on, or how they felt about it. The authors call for a dyadic design for exactly this reason, and the outcome that most obviously matters here — what it does to the person being monitored — is simply absent.

Longitudinal is not causal. The authors say so in as many words. Three waves with prior-wave controls is much better than a snapshot, and it still cannot establish that anything caused anything.

It is one study of young adults in one province, all self-report, with recall windows of several months. Nobody has replicated it. There is no experimental work in this area at all, and for obvious ethical reasons there probably never will be.

Small paths. The one significant link between jealousy and later checking is 0.10. That is a real effect and a modest one, and it should not be described as a discovery about how relationships work.

What this means for the fight you keep having

If the argument in your house is about phone-checking, this evidence reframes what the argument is probably about.

Checking looks more like a symptom than a cause. The thing that ran ahead of it in time was jealousy, and jealousy is what predicted the relationship going worse a year later. Fighting about the checking may be fighting about the readout rather than the thing being read.

That cuts against both of the usual positions. If you are the one checking, the evidence does not support the idea that stopping will fix how you feel — the feeling appears to come first. If you are the one being checked on, the evidence does not support treating the behaviour as the whole problem either, though it also does not ask you to find it acceptable. Nobody measured that.

And the honest summary of the popular claim: as usually stated, it is not established. What is better supported is the quieter version, which is that insecurity drives monitoring and insecurity is what tends to be there when things get worse.

When this is not the article you need

There is a separate situation that looks similar from outside and is not the same thing.

Monitoring can be part of a pattern of control — checking that comes with demands for passwords, tracking where somebody is, punishment for the wrong answer, or fear about what happens if they are found out. That pattern is connected in the research to other kinds of abuse, and none of the reassurance above applies to it.

It is also worth knowing that monitoring does not identify who is doing the controlling. In a 2025 study of digital monitoring, the strongest predictors of a woman's own monitoring were her prior experiences of being abused, and the authors suggest it may sometimes work as a way of coping. Somebody who checks may be frightened, may be controlling, or may be neither.

So the thing to read is the pattern rather than the act. If there is fear in it, if answers are demanded, or if being found out would be dangerous, that needs a human professional rather than an article or a session — a domestic abuse service or a therapist who can see the whole situation.

Where a session with Elena fits

Elena is an AI coach, and there is nothing in the research above for her to deliver. No intervention was tested here. This is an observational study that tells us which way the arrows point, and it does not come with a treatment attached.

What a session can do is take the conversation off the ground it usually gets stuck on. Couples arguing about phones tend to argue about whether the checking was justified, which is unanswerable and does not move. The more useful conversation is about what the jealousy is tracking, and that is one Elena can hold without needing to decide who was right.

If what is happening in your relationship is the pattern described in the section above, that is not this conversation, and it is worth saying plainly that a session is the wrong tool for it.

The papers

  1. Métellus, S., Vaillancourt-Morel, M.-P., Brassard, A., & Daspe, M.-È. (2025). Attachment Anxiety and Relationship Satisfaction in the Digital Era: The Contribution of Social Media Jealousy and Electronic Partner Surveillance. Journal of Marital and Family Therapy, 51(4), e70074.

    doi.org/10.1111/jmft.70074The three waves, the direction of the paths, and the null on surveillance predicting later satisfaction.

  2. Hewitt, C., Ramirez, F. A., & Gjika, A. (2025). Unveiling the Nexus Between Digital Monitoring and Experiences of Intimate Partner Violence in Romantic Relationships. Social Media + Society, 11(2).

    doi.org/10.1177/20563051251337352The single point in the safety section: prior experience of abuse predicted a person's own monitoring.

Checked against the publisher record before this piece went up. If a number here cannot be traced to the paper above, it should not be here.


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