Box heart Aphrodite to Pluto. Geometric shape of love. Goddess of Love connected to God of the Underworld. Passion plus Pluto to form a geometric shape. Aphrodite intersected by God of the Underworld. The bond between passion and Venus, minus Pluto. The square as a symbol of passionate love, linked to Goddess of Love and God of the Underworld. Two entities united in a geometric shape: passion and Venus minus Hades.