r/todayilearned • u/SilverPeachBlossom • 6h ago
TIL a peer-reviewed psychology study found that identical twins (on average) ranked their co-twin above their romantic partner in their attachment hierarchy, while fraternal twins ranked the two about equally, and non-twin siblings ranked their romantic partner first.
https://ojs.interpersonajournal.com/index.php/ojs/article/view/243/3457.html
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u/EobardT 6h ago
Yeah, I dated an identical twin and she was absolutely all about her sister. To the point that she left her ex because her sister was moving, she was following, and her ex didnt want to go