"...The heart is not only on fire, but this fire has a melting effect. We feel as if a goodness that does not come from within has taken hold of us. Dietrich von Hildebrand speaks of “fluid goodness” of a loving heart.
True love makes the lover more beautiful; he irradiates joy. If this is not the case, we can raise doubts as to whether he is truly in love. One says in French: “Un saint triste est un triste saint”—a sad saint is a pitiful saint. Similarly, a sad “lover” should question whether he truly loves. Small, modest duties are done joyfully, because either they are done “with him” or “with her,” or because they become acts of loving service...."
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