Some folks never seem to learn or change their ways, even in the face of failure. Real change, meaningful, lasting change, is a matter of the heart, not the brain.
Neurotics want to do the right thing and for things to go well as a result. They take it hard and are perhaps too quick to engage in self-reproach when things go wrong. Disordered characters, on the other hand, tend to take adversity in stride and blame everyone and everything else when bad things happen, even when those things really stem from their own actions.