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The Science of Ex-Fixation: Why the Comparison Contest Is Rigged Against You

"Retroactive jealousy" — getting stuck on a partner's past relationships or exes — isn't studied as a verdict on your current relationship. It's studied as a rumination and comparison problem: an intrusive thought you try to suppress (which makes it louder), run against a rival you only know in idealized fragments, using a self you know in exhausting, unedited detail. Research on thought suppression, social comparison and attachment shows this fixation tracks how a mind handles uncertainty, not how good the relationship actually is. Here's where the science on that comparison contest actually points.

259people in relationships surveyed to test whether ex-comparisons track attachment style or relationship quality — attachment anxiety predicted the comparisons; relationship satisfaction showed no link at all 36people interviewed in the study that mapped how social media fuels retroactive jealousy through comparison, 'digital remnants' of the ex, and relational uncertainty 0reduction in intrusive thoughts that forced suppression reliably produces — Wegner's classic experiments found the opposite: thoughts people tried hardest to push away came back louder once the pressure was off

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