From the point of view of neurobiology, love is the release of hormones and the activation of certain areas of the cerebral cortex. This is the action of neurotransmitters: dopamine, oxytocin, vasopressin, endorphin and enkephalin.

"Dopamine begins to act in the initial stages and gives positive emotions that manifest themselves in a new situation. It provides positive reinforcement, gives rise to the desire to be close to the object of affection in order to have fun again and again. Moreover, it is produced not only at the moment of contact, but also when we think about a person.