What Mercury in the 7th house means
Mercury in the 7th house means that communication, negotiation, and intellectual exchange are central to your relationships, especially marriage and business partnerships. You are likely to seek partners who are intelligent, articulate, and who can engage you in stimulating conversations. You may also find that you define yourself and your ideas through the mirror of your significant relationships, constantly refining your thoughts based on feedback and dialogue with others. This placement suggests a natural inclination to mediate and find common ground in disputes.