Suggest me a book where MC struggles with self-harm, pretty bad trauma but recovers from it

been trying to sort my shit out, and I wanted to read books again

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these as examples maybe ??:

* lots of relapsing but mc has always tried their best to stop
* severe loneliness/isolation
* severe depression , struggling with anxiety, ptsd
* Rehabilitation or any kind of recovery they go through to live a life they can maybe finally be ok with
* maybe bittersweet endings

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i hope if its ok if i can ask for like no romance themes , id prefer like some strong bond of friendship/platonic relationships over that though .

by breadtoastedjam