Common features of the behavior of sociopaths:
Glibness and Superficial Charm;
Conventional appearance;
Manipulative and Conning;
Grandiose Sense of Self;
Pathological Lying;
Lack of Remorse, Shame or Guilt;
Shallow Emotions;
Incapacity for Love;
Need for Stimulation;
Living on the edge;
Verbal outbursts and physical punishments;
Rage and abuse;
Promiscuity and gambling;
Callousness/Lack of Empathy;
Poor Behavioral Controls/Impulsive Nature;
Irresponsibility/Unreliability;
Lack of Realistic Life Plan/Parasitic Lifestyle;
Contemptuous of those who seek to understand them;
Does not perceive that anything is wrong with them;
Authoritarian;
Secretive;
Paranoid;"
A lot of these are bipolar traits as well. I guess it depends on your perspective.