You need 5 of of these for BPD.

Fear of abandonment
Unstable or changing relationships
Unstable self-image; struggles with identity or sense of self
Impulsive or self-damaging behaviors (e.g., excessive spending, unsafe sex, substance abuse, reckless driving, binge eating).
Suicidal behavior or self-injury
Varied or random mood swings
Constant feelings of worthlessness or sadness
Problems with anger, including frequent loss of temper or physical fights
Stress-related paranoia or loss of contact with reality