Our environment shapes the way we perceive money, the Ebbinghaus illusion, and disordered money behavior — Greed is defined as an excessive desire for wealth or goods. At its most rapacious, greed trumps rationality, judgment, perspective, and any concern with the collateral damage it may cause. Greed begins in the neurochemistry of the brain. What fuels our greed is a neurotransmitter in the brain called dopamine…