We are thinking of marriage. She is 25/01/84. I am 11/10/75. She is Rat and I'm Rabbit.

Your relationship should be blessed. Both of you know to tolerate different personalities of each other when you are together and you can always come up with same interests. This combination can help the two of you a lot in your later life.
If you want to get married this year, you can consider doing it in July or August, for the two months gather auspicious dates.