Two kinds of class
Both are cardinal signs, which means each likes to get things moving, and both care about how things are done. Libra has the social touch and knows how to talk to everyone. Capricorn has the discipline and knows where it’s all going. Capricorn gains a partner who can make a tough conversation at work go better. Libra gains someone solid, who won’t change their mind about them because of what a friend said.
Saturn, Capricorn’s ruling planet, is traditionally said to work well in Libra, and you can see why here. Fairness and structure suit one another.
Warmth on a schedule
Their square tends to show up around closeness. Libra needs regular contact and some romance, and asks questions like “are we okay?” Capricorn, tired and three weeks from a deadline, thinks the answer’s obvious: I’m here, I’m paying for the kitchen. Libra hears coldness. Capricorn hears a complaint about what they’re giving, and works harder, which takes them further away.
Libra’s indecision can be a sore spot too. Capricorn makes the call to save time, and Libra lets them, then feels overruled a few months on.
Learning the other’s currency
Capricorn could try saying the obvious aloud, since it costs little and Libra will live off it for a week. Some evenings out, with no talk of the plan, would go a long way. Libra could value what’s being offered: showing up, year after year, is a kind of romance that’s easy to miss. And Libra can state a firm preference before Capricorn decides, rather than regretting it later.
A good place to look further is Saturn in each chart. Saturn square Venus can make affection feel rationed, and if that’s what you have, it’s helpful to know it’s a pattern and not a verdict on anyone’s love.