Lust Usually operates from the distribution on the hormones testosterone and estrogen, attraction by way of the natural and organic compound dopamine plus the neurotransmitters norepinephrine and serotonin, and attachment with the hormones oxytocin and vasopressin. For evolutionary biologists, each part of love has an evolutionary basis: lust for encouraging https://www.youtube.com/shorts/uTDAtp7YWmE