Dopamine is a neurotransmitter of desire. It acts in the pleasure center of our brains and motivates us to desire pleasurable activities like eating, sleeping, and kissing. Dopamine works overtime when we are in love, giving us strong feelings of desire and passion. Novel, adventurous activities and eating chocolate also increase dopamine. This pendant is based on the dopamine molecule. Material: bling bling, rhinestone, rhinestone shining, silver filled brass, silver plated