Amazing Then & Now Couple Photos That Prove True Love Does Exist

Concentrations of both oxytocin and vasopressin increase during the intense stages of romantic love. These hormones act on numerous systems within the brain and receptors are present in a number of brain areas associated with romantic love. In particular, oxytocin and vasporessin interact with the dopaminergic reward system and can stimulate dopamine release by the hypothalamus.