AIstroStrengths
Virgo (earth) and Libra (air) see the world differently — one through practice, the other through ideas — and that can be enriching: attentiveness, practicality gives diplomacy, a sense of beauty ground to stand on, diplomacy, a sense of beauty gives attentiveness, practicality a fresh perspective.
What to watch for
Earth can find air inconsistent, and air can find earth too literal. If you're both willing to explain your reasoning instead of assuming it's obvious, understanding comes quickly.
Pair dynamic
One partner's initiative and the other's flexibility balance each other out in everyday decisions.
Sun-sign compatibility is a general picture based on elements and modalities, not a precise forecast for specific people. Real relationships depend on far more than a birth date.