Human behavior is a complicated and curious equation.
The answer to why a particular action is exhibited may be locked away in centuries worth of evolution, yet it continues to be displayed even today. Contemporary sociologists have come to understand that the human mental condition is part of a complex interplay between the environment and biology. Indeed, there is a direct link between brain chemistry and structure that ultimately dictates behavior. However, upon reading these accounts, one is compelled to ponder whether these men represent two different people or two different authors. No additional sources cited.