Take dopamine. Elevated levels of dopamine in the brain produce extremely focussed attention,2 as well as unwavering motivation and goal-directed behaviors.3 These are central characteristics of romantic love. Lovers intensely focus on the beloved, often to the exclusion of all around them. Indeed, they concentrate so relentlessly on the positive qualities of the adored one that they easily overlook his or her negative traits;4 they even dote on specific events and objects shared with this sweetheart.
( Helen Fisher )
[ Why We Love: The Nature and ]
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