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Singapore govt dating app uses Gale-Shapley stable marriage algorithm

466 points · 499 comments · rzk

  1. purplepatrick · · focus · HN ↗
    Cute. Of course, beyond basic deal breakers, neither do people know their preferences (but they think they do), nor do the majority of preference categories actually matter.

    This is a common problem with all dating apps. Specifically, interests, hobbies, daily routines, objectives, etc. have nothing to do with compatibility.

    “We like the same things!” is the compatibility signal of a naive 22-yr old…

    1. KellyCriterion · · focus · HN ↗
      ...because &quot;chemical compatibility&quot; is SOLELY detected &amp; managed by the HLA system: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Human_leukocyte_antigen" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Human_leukocyte_antigen

      I write this in caps because people do not understand &amp; believe. Its this part of your immune system that makes you high on someone. Then, far behind that, come whatever preferences&#x2F;hobbies&#x2F;specs.

      And there is no dating app on earth built around this,because you cant - it would involve taking a genetic fingerprint from every user to build this metric)

      (Source: Been in dating business for several years)

      1. Al-Khwarizmi · · focus · HN ↗
        If things are that simple, how do you explain slow crushes? When you meet someone and initially don&#x27;t feel any attraction, but when you repeatedly interact with them and learn more about them, you start enjoying their company more and looking forward to being with them and at some point you realize you&#x27;re in love?

        This exists and, from both my own experience and that of others, is not uncommon.

        1. tirant · · focus · HN ↗
          Both can coexist. Smell&#x2F;compatibility might not be noticeable until you’re already initiating the romantic relationship (kissing, intercourse, sweat smell).
      2. tirant · · focus · HN ↗
        Can we add to that the effects of the birth control pill? Women on the pill have a different attraction profile than without the pill. Their body thinks they’re pregnant and they settle for men with lower testosterone.

        Many women report that after stopping taking the pill they no longer like the smell of their husbands.

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