Wired for marriage: The neural and genetic links to romantic love

This shows a couple on a bicycleResearchers have identified both genetic and neural mechanisms associated with romantic love and attachment. The maintenance of romantic love is not only associated with subcortical brain regions but also higher-order centers of the brain. The propensity to sustain romantic love appears to also be affected by genetic variability, specifically with genes associated with dopamine, vasopressin, and oxytocin.