I had a glance through this despite it being not my usual sort of thing, and my gosh you've got some lovely lines here:
When Castiel is clothed again, he will not be theirs; this will be washed away, like sin hidden but not expunged. So he holds out a hand, loops his fingers round Cas’s wrist lightly, carefully; there has been no tenderness between the three of them so far and he doesn’t want to groove that pattern too deep.
an ugly primal triumph pounding through his veins as he does it, with a chaser of life following it.
And you do a great job of putting tons of emotion into a scenario that could be straight porn - all the intimacy the curse forces on them that Sam wants so badly to hold onto after the sex is over. I really like him as a POV choice here.
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When Castiel is clothed again, he will not be theirs; this will be washed away, like sin hidden but not expunged. So he holds out a hand, loops his fingers round Cas’s wrist lightly, carefully; there has been no tenderness between the three of them so far and he doesn’t want to groove that pattern too deep.
an ugly primal triumph pounding through his veins as he does it, with a chaser of life following it.
And you do a great job of putting tons of emotion into a scenario that could be straight porn - all the intimacy the curse forces on them that Sam wants so badly to hold onto after the sex is over. I really like him as a POV choice here.