Why they notice each other
Aries is direct and quick to act. Libra is thoughtful and good with people. Aries brings a decisiveness Libra can find thrilling, particularly after a week of weighing up which sofa to buy. Libra brings a grace and social ease that Aries doesn’t have, and they tend to smooth over the rough edges Aries leaves in a room.
Both signs are what astrologers call cardinal, meaning they like to start things. They just start different things: Aries a project, Libra a relationship.
What they tend to argue about
Pace and tact. Aries wants to have it out now, while Libra wants to choose the right moment and the right words. To Aries, that can look like dodging. To Libra, the Aries approach can feel rude, even a bit frightening. Aries may make a decision for both of them and be surprised to find it was a problem. Libra may agree to something to keep the peace, and be annoyed about it three weeks later.
What helps
Libra can say what they want sooner, even if it’s rough. Aries can ask one more question before acting. It helps to take turns, since each of you has something the other is really trying to learn: Aries about considering others, and Libra about trusting their own wishes.
Beyond the Sun signs
Sun sign pairs are a starting point, and every Aries and Libra couple is different. Moon and Venus contacts will tell you a lot more about whether this feels comfortable day to day. If you know your charts, see Sun opposite Venus and Venus opposite Mars, two contacts worth checking first.