Maybe I'll Win, But For Now I've Decided to Die

Modern AU: Sirius Black's life is spiraling out of control. Years of reckless self-abuse are catching up with him, and he doesn't know how to deal. Sirius' friends try their best to help him navigate through the hell that is mental illness, watching as he struggles with the diagnosis of a borderline personality. But how do you help someone who doesn't want to be saved?