Henry shares an apartment with Otis. Low budget movie, with some graphic murder scenes. Henry shares an apartment with Otis. Low budget movie, with some graphic murder scenes. During times of stress or excitement their heart and breathing rates decrease and they experience focus and relaxation.
Normal people experience opposite physiological effects often with feelings of acute fear.
So these 'psycho's' are the eye of the hurricane. It could be argued that their neural hardwiring is also such that the portions of the brain dealing with emotion, empathy and love are undeveloped. Evolutionalisitically speaking they may have been used for defending the tribe. In modern times they are unwanted population control machines. Henry shares an apartment with Otis.