Isn't that the definition of sadism? I thought psychopathy was defined by lack of empathy. (Obviously the two go together nicely, but this doesn't seem to be st

Isn't that the definition of sadism? I thought psychopathy was defined by lack of empathy. (Obviously the two go together nicely, but this doesn't seem to be strictly necessary.) I met a man who claimed to have no empathy, but was otherwise normal. (He called himself a psychopath for this reason.) He said that he felt he was lacking something important about being human.