im a dragon man and my wife is a dog woman how should i keep our marriage intact?

well me and my wife elvie had been together 4 years now next month in febuary 18th itll be our 5th year so far so good we are doing good we never had a major tension in our union just little quarrels and after that were back together so im just asking what are the steps that i should do to keep our marriage intact? it is not my way of saying such things but i love her with all of my heart and i dont wanna lose her. so what am i going to do to keep our union and marriage intact?