We use color metaphors to express our emotions all the time. We feel blue, see red when we're angry, turn green with envy, and others may call us "yellow" when we're afraid or lacking in bravery. Are these metaphors just that—metaphorical—or do they have some basis in biology?
from Apartment Therapy | Saving the world, one room at a time http://ift.tt/1LZid5F
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