Passionate and companionate love

In psychology, a distinction is often made between two types of love: Passionate love, also called romantic love and infatuation, is "a state of intense longing for union with another. Reciprocated love (union with the other) is associated with fulfillment and ecstasy; unrequited love (separation) is associated with emptiness, anxiety, or despair", and "the overwhelming, amorous feeling for one individual that is typically most intense during the early stage of love (i.e., when individuals are not (yet) in a relationship with their beloved or are in a new relationship)".

Source: Wikipedia — Passionate and companionate love (CC BY-SA 4.0)