Mercury represents our communication style and intellectual processes. Strong aspects between your Mercury and your partner's planets and/or points favor communication and sharing ideas.
Mercury Trine Jupiter
This indicates a lucky and optimistic viewpoint. Your relationship partner expands your intellectual horizons buy exposing you to a wider variety of philosophical ideas which bring professionally and socially advantageous connections with people from other cultures. When the Mercury person is trine the Jupiter person, you are able to communicate from a lofty, impersonal, unselfish point of view as you share your ideas about travel and interest in foreign philosophies and cultures with your partner bringing new contacts and opportunities into your lives.