"I have Neptune in transit opposing or squaring Mars in the birth chart. What is involved ?" What can it mean to have bad form Neptune aspects such as quadrature and opposition with our natal Mars ? What a way to give an unfavorable passage of Neptune on the planet Mars in our birth chart ? What does it mean to have the planet Neptune square or opposed natal Mars ? The transit of Neptune quadrature and opposition to natal Mars which carries positive connotations for us ? Which are meaning, significance, sense of the planet Neptune in transit in square or opposition at the birth Mars ? Having this planet in bad aspect and then square (90 degrees) or that form an opposition (180 degrees) with the planet Mars can bring important significance not only on a personal level. Let's say, however, that not take into consideration the position of Mars in the 12 astrological houses and then Neptune transiting Mars which is in I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII house. This is because Neptune is a generational planet, and therefore its influence rather than on the individual and therefore on its areas of life takes place and acts on an entire generation, an entire community.
Meaning : you are full of anxieties, fears, phobias, of unhealthy thoughts that will confuse the mind, but above all put you in a state of disrepair, some of which could take advantage of. Try to avoid frequenting disreputable people, strange, that you are somewhat bizarre and proposals to the limit of what is permissible. You may also have blood infections possibly due to your vices.