Mars in 3rd House synastry forms relationships on a basis of fast and powerful mental connection. If Mars’ influence is positive, the partners inspire and encourage each other to partake in scientific, intellectual, professional, and social activities. If Mars is afflicted, bitter disagreements arise in all matters of their joint life.
Mars in 3rd House synastry partners should try to avoid quarreling and be more open to compromise, especially when traveling together for business or pleasure.
The Person of the Third House considers the “Martian” one undiplomatic, overly impulsive. The “Martian” personality, in turn, considers that of the Third House to be demagogic and carried away by considerations that are not sufficiently grounded in reality. To avoid disagreements, Mars in 3rd House synastry partners should be more attentive to each other and prepared to study the motivation of the other party.
from F. Sakoyan, L. Ecker
Mars in 3rd House Synastry Explained
In social situations, you will probably find your Mars in 3rd House synastry partner aggressive or, at least, overly energetic and unnecessarily active. This will not go unnoticed, and the partner will also react quite energetically, the concrete course of action depending on the position of Mars in their natal chart. For example, a Gemini can turn to verbal aggression, and a Cancer will feel deeply offended and very expressively shut up.
Regardless of your partner’s reaction, you will not consider it as targeting you personally: rather, it will appear to you as indirect and socially mediated. However, if your Third House is afflicted, and if you struggle to have positive and productive relations with society, even minimal signs of personal attention from your partner can make you flip out. You may perceive him or her (wrongly) as the embodiment of general hostility towards you, acting accordingly and drawing erroneous conclusions about your partnership.
All in all, Mars in Third House synastry partners teach you how to use the energy emanating from your relationship in constructive ways; but you will have to understand how to do it on your own as the partner plays the role of a mere catalyst, albeit a powerful one.
from A. Podvodny