Preparations (http://ksarchive.com/viewstory.php?sid=3909&warning=2) by Tydomin Through the Good Times and the Bad (http://ksarchive.com/viewstory.php?sid=3334&warning=2) by Tydomin
As you will see, these are the first & last in a four part series. I personally found the second, main story, to be long and dreary, but you may enjoy it. Either way, I think these two may be what you're looking for.
Mayday, My Darling (https://archiveofourown.org/works/3935122) by sinestrated, isn't about self harm, but about Spock succumbing to drug addiction, and it's incredibly realistic and powerfully written. I don't know if it will interest you or not.
I've also read one about Spock with trichotillomania, or obsessively pulling his own hair out, and a very good one about him having an eating disorder - I can try to find them if you're interested?
EDIT Found them:
Like a Wildfire Burning (http://archiveofourown.org/works/4508754) by WerewolvesAreReal That Glorious World Above the Stars (http://archiveofourown.org/works/5773546) by Mister_Spock
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timeasmymeasure
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Date: 2016-10-07 12:10 pm (UTC)Through the Good Times and the Bad (http://ksarchive.com/viewstory.php?sid=3334&warning=2) by Tydomin
As you will see, these are the first & last in a four part series. I personally found the second, main story, to be long and dreary, but you may enjoy it. Either way, I think these two may be what you're looking for.
Mayday, My Darling (https://archiveofourown.org/works/3935122) by sinestrated, isn't about self harm, but about Spock succumbing to drug addiction, and it's incredibly realistic and powerfully written. I don't know if it will interest you or not.
I've also read one about Spock with trichotillomania, or obsessively pulling his own hair out, and a very good one about him having an eating disorder - I can try to find them if you're interested?
EDIT Found them:
Like a Wildfire Burning (http://archiveofourown.org/works/4508754) by WerewolvesAreReal
That Glorious World Above the Stars (http://archiveofourown.org/works/5773546) by Mister_Spock