The context in back of his eyes is determined by intent, automatic psychological defense mechanisms, physical health, genes and cultural schemas passed from generation to generation (memes.) These memes may not be in conscious awareness. Malicious behavior can be induced into a victim by changing what appears to be a Civilized mind context in front of the eyes, to that of an Anti Civilized mind context. A Safeguarded Life oriented mind context that is lived in front of the eyes, counters the malicious behavior.
Man's sensitivity to drinking only hot water, is an example of a meme.
Experiment: The next time your hostess asks what you would like to drink, tell her hot water. Then, study her reaction as she anxiously tries to get you to put something in it, even as she denies this is happening.