Part Ten of Middle Earth!AU.
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Idril and Tuor, the only surviving and Bonded interspecies pair, were very private and therefore little is known…
Though information regarding the Bonding between an elf and a human is ambiguous, by observation one fact is especially clear: mated pairs consisting of one elf and one human can function just a healthily as two Bonded elves. While the biological explanation of this is so far unclear due to a lack of co-operating parties, it is certain that any coupling of this kind is biologically viable. In addition, humans, despite their tendencies to have multiple lovers and sexual partners, can be wholly devoted to their elvish Bondmate. The sole recorded relationship of this kind (Idril and Tuor) has been recorded as visibly fulfilling.
Castiel chews his lip so obsessively it’s reddened and swollen from the abuse. His nerves are fried from trying to pay attention to his research while simultaneously listening for any sort of possible intrusion, and as a result, the elfling is practically drenched in sweat. Grabbing a piece of leather from his pocket, he ties his hair up into a bun, wiping at his forehead with his sleeve. His fingers tremble where they grip the hem.
After almost ten months of searching, Cas has found it.
Of course, ‘it’ is a paragraph that doesn’t have any true information regarding the biological or even emotional complexities of a human/elvish Bond, but it’s something. It’s concrete evidence that such a pairing can work and work properly. It’s more than enough.
Castiel has to bite his lip to curb his smile, shoving a bookmark between the pages and slamming the thing shut. He leaves the rest his research strewn out on the table he’d commandeered and sprints out of the library, tome clutched to his chest.
He has to tell Dean.
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