Strong emotional and physical magnetism that demands you pay attention to each other.
A opposition means one person’s Moon and the other person’s Mars are about 180 degrees apart. On its own it counts as neither harmonious nor challenging. What the labels mean.
What it feels like
The Mars person feels awake around the Moon person: protective, motivated, a bit stirred up. The Moon person feels very much seen, and sometimes a little exposed, since Mars seems to go straight for whatever they were feeling. It tends to be a physical connection as well as an emotional one, and you can spend a lot of time thinking about each other.
How it moves
Oppositions pull back and forth. The Moon person may reach for reassurance when Mars is focused on something else, and Mars may push for an answer when the Moon person hasn’t worked out what they feel yet. You might find that one of you always seems to want to talk at the moment the other has to leave for work.
Moods can spread quickly too. When one of you is stirred up, the other tends to catch it, and you can both end up more upset than either was at the start.
What helps
Give feelings and actions their own time. The Moon person gets to finish describing what’s going on before any solutions come up, and Mars gets a real answer to “So what do you want to do?” once that’s happened. Find something physical to do together when things feel charged, because moving tends to work better than staring at each other across a table.
Have people you can talk to apart from each other. A single relationship shouldn’t be the only outlet for this much feeling.