A maddening itch between your shoulder blades feels *so good* when you scratch it, and *even better* when someone else scratches it, and better still if that person hits the right spot because they love you and they've done this for you so often and attentively, they know *exactly* which spot to hit.
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https://pluralistic.net/2026/09/25/other-people/#right-there
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One of the recurring themes in Spider Robinson's short stories and novels is people who have close relationships suddenly realizing that they have acquired a psychic link. He comes up with endless ways to play this scene out, but my favorite - I think it's from one of the later Callahan's tales - is when one person scratches another between the shoulder blades and hits the *exact* right spot the very first time and they realize that they are now psychically linked.
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