A Scientific Basis For Seeking Good Association

"But in spite of the individual mode of passion, there is always the chance of being influenced by the other modes of nature by association. If one is in good association he can develop the mode of goodness, and if in bad association he may develop the mode of darkness or ignorance. Nothing is stereotyped. One can change his habit by good or bad association, and one has to become intelligent enough to discriminate between good and bad."

SB 2.10.41

Angry/negative People Can Be Bad For Your Brain

"If you want to accomplish something that demands determination and endurance, try to surround yourself with people possessing these qualities. And try to limit the time you spend with people given to pessimism and expressions of futility. Unfortunately, negative emotions exert a more powerful effect in social situations than positive ones, thanks to the phenomena of emotional contagion..."

This article explores:

"1) One of the most important recent neuroscience discoveries--"mirror neurons", and the role they play in a decision like Robert's

2) The heavily-researched social science phenomenon known as "emotional contagion"

3) Ignorance and misperceptions around the idea of "happy people"..."