An easy meeting of minds
Air trines air here, and they feel it quickly. Both care about fairness and enjoy other people, and neither is much bothered by a partner having their own friends. Libra offers grace and pays close attention to whoever’s in front of them. Aquarius brings odd ideas and the courage to say the thing no one in the room will say. A lot of these pairs say they started as friends, and that the friendship was never replaced, just added to.
There’s a welcome lack of jealousy, too. Time apart usually feels like more to talk about when you get home.
Principle or person
Where they tend to differ is on closeness. Libra wants to be a couple, a recognized “us”, with anniversaries and a say in each other’s lives. Aquarius may be fond of all that in theory but goes a bit stiff if it feels like an expectation. So Libra asks, gracefully, “should we talk about where this is going?” and Aquarius starts discussing whether labels are really necessary.
When something does hurt, both can talk around it for hours. It might be a superb discussion. Nobody cries, nobody says “I need you”, and nothing changes.
Letting it get a bit messy
Their best evenings are full: friends over, a cause to work on, a film to fight about. It helps to protect some time that’s only about the two of them, with no third topic. Try asking “how do you feel about it?” and then not accepting an opinion as an answer.
Air trines can hide a shortage of emotional language. If your Moons are both in cooler signs, this comes up sooner. A contact like Moon trine Venus would give you a soft place that the Suns alone don’t promise.