Psychopathy (/saɪˈkɒpəθi/[1][2] is a personality disorder that has been variously characterized by shallow emotions (including reduced fear, a lack of empathy, and stress tolerance), coldheartedness, egocentricity, superficial charm, manipulativeness, irresponsibility, impulsivity, criminality, antisocial behavior, a lack of remorse, and a parasitic lifestyle. #LanceArmstrong