These two types complement each other very much on points that are essential to them. The 1 is attracted by the peaceful nature of 9, its tolerance, kindness, sense of adaptation and goodness that provide him a soothing effect. The 9 is attracted by the integrity, passion, effectiveness, sense of responsibility and decision-making ability of the 1. The 9 can help the 1 to be less critical of himself and more relaxed, while the 1 can help the 9 to be less indecisive and more focused on his priorities. They are both idealistic and altruistic, and enjoy finding it in each other.
The 9 is quite indecisive and may have trouble making decisions. He sometimes tends to ask his partner to choose for him. But the 1 will try to encourage the 9 to give him answers to know what he wants, which can make 9 quite tense if he interprets it as pressure. The 9 responds poorly to pressure, and can adopt a passive-aggressive attitude. What can make the 1 even more impatient and furious, and cause quite cold and difficult moments in the relationship.