Films about Borderline Personality Disorder/Self Harm/MentaMil Health in General

American Beauty
Silver Linings Playbook

Prozac Nation
Hush
The Smokers
Forrest Gump
Zelig
After Hours
The Truman Show
Manic
Cat on a Hot Tin Roof
Mad Love
Taxi Driver
Mixed Nuts
Monster
One Flew Over the Cuckoo's Nest

Blue Sky

The Fountainhead
Boogie Nights
White Oleander
Mommie Dearest
Raging Bull
Girl, Interrupted
What Lies Beneath
Now, Voyager
Girl (1998)
Body Heat
The Egyptian
Eternal Sunshine of the Spotless Mind.
Ordinary People
The Cell

Chloe
Black Swan
World's Greatest Dad
Sleeping Dogs Lie
Margot at the Wedding

Party Monster

Rachel Getting Married

Greenberg

28 Days
Betty Blue
Gia
Fatal Attraction
Sophie's Choice
Single White FemaleAmerican Psycho
Sleeping with the Enemy
Basic Instinct
Black Widow
The Effect of Gamma Rays on Man-in-the-Moon Marigolds 
All About Eve
Hush, Hush, Sweet Charlotte
Play Misty for Me
Borderline
Henry & June
Breakfast at Tiffany's
After Hours
Frances
Looking for Mr. Goodbar
A Streetcar Named Desire
Dangerous Liasons
Memento
Borderline Normal
Obsessed
Thirteen