Lust Typically operates from the distribution of the hormones testosterone and estrogen, attraction by way of the organic and natural compound dopamine as well as neurotransmitters norepinephrine and serotonin, and attachment through the hormones oxytocin and vasopressin. For evolutionary biologists, Each and every part of love has an evolutionary foundation: https://www.youtube.com/shorts/uTDAtp7YWmE