Dragon Man & Rabbit Woman
Even if she wants to help him, she has no way of doing that. It is more likely that they have to live far away from each other after they get married.
Rabbit Man & Dragon Woman
If they manage to live together, she will have to be able to stay home to take care of their home and do not feel boring. There will be no good out come.
(Source: Love & Luck in the Year of the Dog)