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 Pluto
Your romantic partner will have deep, penetrating conversations which stimulate your insights and give you a more spiritual understanding regarding unresolved relationship issues. You will find yourself revealing particularly private information. When the Mercury person is trine the Pluto person, they will find it very easy to unburden repressed ideas and your discussions will help to release negative concepts garnered during previous relationships. This whole process will increase their spiritual understanding and growth both as a romantic partner and as an individual.