Mercury in Libra

Libra is cardinal air ruled by Venus. Mercury here thinks in comparisons: an idea is set against its opposite and judged for fairness and proportion. These people are tactful, persuasive and genuinely good at seeing what the other party wants, which makes them useful negotiators. The difficulty is the decision itself, which gets deferred while the arguments are weighed yet again. A habit of softening the truth for the sake of the room means their real opinion is sometimes the last one anyone hears.