The reversed Ace of Wands speaks of an ideal that does not seem to be attainable. This suggests that you and your partner may have different goals regarding the relationship. It seems that she is less involved, more interested in other things or has a different picture of the relationship than you had in mind. In this case, it is important to remember that everyone has their own ideals, desires and goals. So even if you want your relationship to be something else, you have to be aware that it might not be the case.
The Empress obverse speaks of acceptance and understanding. The card indicates that you must understand and respect the other person and how they see the relationship. So even if you want something different, it's important to consider your partner's needs as well. If both of you are willing to compromise and accept each other as you are, then you can come to some common ground and come to an agreement on what it means to commit seriously in a relationship.
Bottom line, the question is what you should do if your partner doesn't seem interested in making a serious commitment to your relationship. You must remember that everyone has their own ideal and you must respect your partner's vision. At the same time, it is important to be willing to compromise and accept each other as you are. If you can find some common ground, then you will be able to make a serious commitment to your relationship.