Haven't read it all yet. But, she doesn't have to share your interests, but she does need to respect you and your responsibilities, and your overall values need to match. You can each have hobbies that the other has no interest in, but you have to acknowledge and accept it. The reality is that if EVERYTHING is shared, eventually there is nothing left to share. But if you each separate to spend time alone or with other friends or at work or on a hobby, when you come together you each bring so much more to each other.