The numbers 1 and 9 are at opposite ends of the numerology spectrum and are considered somewhat opposing influences. This could translate into an inability to understand one another. In many areas of life, you may be so different that you are unable to relate to your partner's perspective. Although not a necessary component for friendship, shared views on the most important aspects of life are necessary for a successful romantic relationship. This combination has a much better chance of surviving if both of you have the number 2 and/or 6 among your other core numbers. 

Both ~first~ and ~second~ are likely a bit egocentric and can be somewhat arrogant at times (at least in this area of your chart). This can create tension in a romantic relationship and will only work if a certain amount of distance is maintained. To weather your disagreements, you will need to respect each other, give each other room to be your own person, and strive to find common ground.

Ironically, although it presents challenges, this is not a bad combination for most other types of relationships. Friendships, parent-child, and business relationships often work very well in this combination precisely because the numbers stand on opposite ends of the spectrum. They complement and balance each other. Together, they offer a range of talents and useful qualities that enhance most relationships (except romance). Your romantic relationship will require a mutual agreement that gives you both plenty of space, does not expect unconditional support, and does not assume your partner will live the kind of life you feel is right.

Neither of you conform easily to the rules and expectations of society, which is one of the few characteristics you share. However, you probably dress quite differently from each other, have different tastes, and have a different ideas about what matters most in life. Often, when the 1 and 9 form a romantic relationship, people seeing them together find it puzzling - together, yet so different from one another. However, while we have all heard opposites attract, they also repel when they get too close. 

There are no easy solutions or foolproof guidelines that work here. If you have been together for a long time and your love and commitment are strong, you have weathered your differences and found your way to a loving partnership. If your relationship is recent, focus on your heart and your unconditional love for each other. The best advice I can offer is to accept and respect your partner just the way they are, and do not expect to influence or change them.