Box heart Venus - Pluto. Cube filled with affection. Venus associated with God of the Underworld. Love added to Hades to form a cube. Aphrodite intersected by Pluto. The bond between passion with Goddess of Love, without Pluto. The square as a symbol of passionate love, associated with Goddess of Love and God of the Underworld. Two entities merged in a cube: heart with Aphrodite minus Pluto.