Venus shows what a man is attracted to in a woman. Being with a woman who is strong in his Venus element, or who makes close sextiles to his Venus makes the relationship much easier, and increases sexual desire and compatibility. For a woman, her Venus is part of her feminine nature, so it is definitely best when her partner also relates well with this element. When people have positive Venus synastry, they naturally like and love each other. That, of course, is what makes positive Venus synastry so great.
Venus Trine Neptune
You have a natural attunement with your romantic partners feelings and ideas, creating a loving atmosphere. You are receptive to their moods, music, aesthetics, taste, interests. Your are attracted to your partners creativity and see possibilities for great harmony between you. When the Venus person is trine the Neptune person, they reaches toward higher potentials of love and partnership through this romantic experience. You are deemed the inspiration for their creativity, releasing your partner from the bounds of the mundane world to the higher frequencies of spiritual and unconditional love.