Your emotional styles differ, creating moments of misunderstanding but also deeper awareness.
A square means one person’s Moon and the other person’s Moon are about 90 degrees apart. The app counts it as challenging. What the labels mean.
Care that misses
This is about two people whose instincts for feeling better don’t line up. One wants a hug and a long talk, and the other wants a door to close and an hour alone. Each gives the other the comfort they’d want themselves, and each gets hurt when it doesn’t work.
That’s what makes this contact sting. Nobody is failing to try. You can be doing your best, with love, and still get it wrong, and you can feel unsupported by someone who’s clearly making an effort.
Moods on different clocks
Square Moons also tend to work to different rhythms. One of you is up when the other is down, and the time it takes to recover from an argument may differ by days. So the partner who has moved on may wonder why it’s still being discussed, while the other wonders how anyone could feel fine already.
There can be a real benefit here, though. Since you don’t crash in the same way at the same moment, there’s often someone in the house who’s functioning.
Learn their instructions
Ask, at a calm moment: when you’re upset, what actually helps? What makes it worse? How will I know? Write it down if you like. Then do it their way, even if it feels wrong to you. Leaving someone alone can be an act of love, and so can staying when you’d rather give them space.
This is the sort of aspect that tends to get easier with age, as both people’s habits become known quantities. Many couples who have it say it taught them the difference between caring for someone and caring for them the way you’d want. For a gentler Moon contact to compare, see Moon trine Venus.