Emotion is the complex psychophysiological experience of an individual's state of mind as interacting with biochemical (internal) and environmental (external) influences. In humans, emotion fundamentally involves "physiological arousal, expressive behaviors, and conscious experience. " Emotion is associated with mood, temperament, personality and disposition, and motivation. Motivations direct and energize behavior, while emotions provide the affective component to motivation, positive or negative. No definitive taxonomy of emotions exists, though numerous taxonomies have been proposed...