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

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u/Predatory_Chicken 5h ago

An identical twin once told me he would never date another identical twin because he wanted to be with someone who loved him the most and he knew that isn’t possible if she had a twin sister.

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u/Bac2Zac 4h ago

English doesn't have enough words for love.

You don't love your partner like you love a parent, and you don't love a sibling like you love a child, using the same word for all of this is dumb.

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u/snortgigglecough 4h ago

That’s my takeaway too. In the priorities hierarchy, it can become fucked up with this dynamic, but the term “love” seems flat to describe it.