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Science

Do the Faces of People In Long-Term Relationships Start To Look the Same? (theguardian.com) 73

An anonymous reader quotes a report from The Guardian: Working with her Stanford colleague, Michal Kosinski, [Pin Pin Tea-makorn, a PhD student at Stanford] scoured Google, newspaper anniversary notices and genealogy websites for photos of couples taken at the start of their marriages and many years later. From these they compiled a database of pictures from 517 couples, taken within two years of tying the knot and between 20 and 69 years later. To test whether couples' faces grew alike over time, the researchers showed volunteers a photo of a "target" person accompanied by six other faces, one being their spouse, with the other five faces selected at random. The volunteers were then asked to rank how similar each of the six faces were to the target individual. The same task was then performed by cutting-edge facial recognition software.

In the original study in 1987, the late psychologist Robert Zajonc, at the University of Michigan, had volunteers rank the photos of only a dozen couples. He concluded that couples' faces became more alike as their marriages went on, with the effect being greater the happier they were. The explanation, psychologists have argued, is that sharing lives shapes people's faces, with diet, lifestyle, time outdoors, and laughter lines all having a part to play. However, writing in Scientific Reports, Tea-makorn and Kosinski describe how they found no evidence for couples looking more alike as time passed. They did, however, look more alike than random pairs of people at the start of their relationship. Tea-makorn said people may seek out similar-looking partners, just as they look for mates with matching values and personalities.

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Do the Faces of People In Long-Term Relationships Start To Look the Same?

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  • by sbszine ( 633428 ) on Tuesday October 13, 2020 @12:05AM (#60601560) Journal
    Story checks out.
  • Mh Ex-Wife (Score:5, Funny)

    by bobstreo ( 1320787 ) on Tuesday October 13, 2020 @12:21AM (#60601592)

    Never grew a full beard.

    But after the divorce she gained the 80+ lbs I lost.

    • by cusco ( 717999 )

      I suspect that my wife was hoping that we would start looking more like each other, but it didn't happen. She's still gorgeous and I still look like a nerd.

  • by Ungrounded Lightning ( 62228 ) on Tuesday October 13, 2020 @12:47AM (#60601630) Journal

    Various researchers were reported as considering two mechanisms:
      - partners' faces age into similarity with time due to shared environmental factors.
      - people who look more alike are more likely to marry.

    IMHO this misses another possibility:
      - Couples who look less alike are more likely to separate (divorce, partner dies, etc.)

    • That's an interesting thought.

      You didn't say whether you had in mind:
      People who start out looking very different are less likely to stay together
      Or
      People who end up looking less alike are less likely to stay together

      It occurs to me that both made sense. Maybe when a couple enjoys working out together every morning like my friends doz that brings them closer. Maybe if one was a fitness instructor and the other turned into an morbidly obese couch potato they wouldn't have as much in common - they would look

    • by AmiMoJo ( 196126 )

      My first thought was that couples tend to adopt each other's speech patterns and style so they probably adopt each other's mannerisms and facial expressions too. Maybe they just unconsciously start to mirror the face of the person they spend a lot of time with.

    • Bantam Dominique roosters crow a four-note song. Once you've heard it as "Happy BIRTHday" you can't NOT hear it that way

      I searched for videos. The ones I found do not sound even close to that, so I assume I did not find the right one. Got an example?

    • For some unknown reason, they both start looking like old people.
  • by rtb61 ( 674572 ) on Tuesday October 13, 2020 @01:00AM (#60601648) Homepage

    So people tend to prefer people who look similar to the person they see in the mirror. I wonder would that hold true in earlier societies without mirrors.

    • by spth ( 5126797 )

      A still surface of water makes a mirror.

      You will have a hard time finding a human society earlier than water.

  • No really, it's likely Imago Theory -

    https://bigthink.com/philip-pe... [bigthink.com]

    But I seriously doubt people physical appearance changes through some kind of epigentic process related to their partners appearance. Perception perhaps.

  • by Anne Thwacks ( 531696 ) on Tuesday October 13, 2020 @02:27AM (#60601802)
    They both begin to look like their dog.
    • Actually I often find the resemblance between dogs and their owner... Uncan(ine)ny.

      I wonder if there was a study about that?

    • by dstwins ( 167742 )

      Hey, we (the wife and I) are not THAT furry... Of course, when it comes to hunger and snacking, my wife and our dog are pretty indistinguishable, even down to the tail wagging... I tell her that all the time.. She and the Pup are the same, except she/s bigger (120lb vs. 10lb) has less fur and her breath smells a LOT better but those are minor details.

  • Next question.

  • Your research is bunk not science until its reproduced.

  • I doubt that would happen with my partner and myself... but then, she was born and raised in China and 4'10", whereas I'm your typical 6'2" North American white male...

  • I'm not sure what this relationship thing is the article talks about. But I do know that over time nerds living in mom's basement start to resemble each other: pasty moon faces with bad skin.
  • I remember seeing their resemblance and asking whether they might be brother and sister. Turned out they 've been lovers.

  • by zmooc ( 33175 ) <zmooc@[ ]oc.net ['zmo' in gap]> on Tuesday October 13, 2020 @04:50AM (#60602024) Homepage

    Wasn't this already known? I believe the idea was that we tend to find partners that resemble our parents somewhat, which would obviously explain similarity in faces. Cannot seem find the source of that, though...

    • by zmooc ( 33175 )

      (Also note that we don't see your own faces a lot and if we do, it's somewhat distorted (very close, flipped horizontally) compared to what our face would look like. So our idea of what we look like isn't that good. Selecting a partner based on what we look like ourselves therefore seems a bit unlikely.)

      • by cusco ( 717999 )

        My observation is that most women don't like their own looks, or at least are discontented with it. They don't seem likely to select someone who looks like that. (My wife certainly didn't.)

    • *ALL* 'research' of this nature is bullshit. There's no way to keep observer bias out.
  • by taylorius ( 221419 ) on Tuesday October 13, 2020 @07:29AM (#60602260) Homepage

    Both sad and resigned.

    • Both sad and resigned.

      I was going to go with worn out, but yours was written for a kinder, gentler kind of divorce.

      You know, the kind that happens via text message...

  • The great face-scientist Betteridge has told us 'No'.

  • by sls1j ( 580823 ) on Tuesday October 13, 2020 @09:52AM (#60602554) Homepage
    I wonder if instead of couples growing to look alike instead people's perception of them changes. The longer they are together the more they look alike to those that see them because they are use to being seen together. Perhaps you associate them as belonging together, it's familiar to see them together. So we mistake that familiar association with actually looking alike.
    • I wonder if instead of couples growing to look alike instead people's perception of them changes. The longer they are together the more they look alike to those that see them because they are use to being seen together. Perhaps you associate them as belonging together, it's familiar to see them together. So we mistake that familiar association with actually looking alike.

      If familiarity is a factor, involving strangers in your analysis would validate (or invalidate) that theory rather quickly I would think.

  • by PPH ( 736903 ) on Tuesday October 13, 2020 @11:41AM (#60602988)

    Bored, with a slight murderous glint in their eyes.

  • There's a documentary called "The Ballad of Genesis and Lady Jaye", profiling the case where the couple undertook the same plastic surgery and body modification procedures to become more similar to each other in appearance.
  • Once the jaw drops off, then the skin sloughs off (or dries to something like leather), faces tend to look a lot alike. Most people (who aren't osteologists) cant tell the anatomical gender of either skull in a couple, let alone their behavioural gender.

    What? Oh, you're not talking about "long term" relationships. Just ones of less than a century.

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