Fire and water is the most intense and delicate combination: one's passion with the other's emotional depth. Handled with care, there's steam — serious chemistry. Otherwise one feels extinguished and the other boiled. It all comes down to handling strong emotions.
Two fixed signs: loyalty that survives anything… and two stubborn heads. In agreement, nothing moves you — together you're immovable. In disagreement, nobody yields. Learning to let go first, even sometimes, is your lesson.