Mercury represents communication, Cartesian and logical spirit.
Mercury in Virgo
He discusses, deduces and judges. He reasons logically and accurately.
Weaknesses: he is easily irritable and nervous. He tells off and criticizes. He is impulsive and manic.
Mercury in IX
His thirst for knowledge is never satisfied. He is full of mental activity. He undertakes exhaustive studies, always studying for pleasure. Likes journeys to faraway places, and can go to live abroad.
-67 Opposition Mercury - Neptune
He makes errors of judgement, and lacks sincerity. He lets things happen, and is happy in his dreamworld. Confronted by reality, he is hesitant, incapable of being tested and falls back into his imaginary world. He might become a drug-taker.
110 Trine Mercury - Pluto
He has a great sense of observation and quickly grasps the situation. He is crafty, subtle and critical.
81 Trine Mercury - Ascendant
He is intelligent, with quick and lively reflexes. He is preoccupied by his circle, likes to exchange ideas with his friends, but also with strangers. Of an open nature, he goes out to others.