" Adjusting to a world that is continually inconsistent and untrustworthy is a major problem for the borderline. The borderline’s universe lacks pattern and predictability. Friends, jobs, and skills can never be relied upon. The borderline must keep testing and retesting all of these aspects of his life; he is in constant fear that a trusted person or situation will change into the total opposite—absolute betrayal. A hero becomes a devil; the perfect job becomes the bane of his existence. The borderline cannot conceive that individual or situational object constancy can endure. He has no laurels on which to rest. Every day he must begin anew trying desperately to prove to himself that the world can be trusted. Just because the sun has risen in the East for thousands of years does not mean it will happen today. He must see it for himself each and every day. CASE "

― Jerold J. Kreisman , I Hate You, Don't Leave Me: Understanding the Borderline Personality