Every relationship will face different sorts of problems and sometimes they come in bundle. However, each of us has also different kinds of techniques or ways to deal with those problems that comes our way. We deal things in various ways and in our own pace. But overall, it all boils down to one thing: it is between you and your partner no matter how you look at the situation. It is always you and your mate, nothing more and nothing less. When you face problems, both of you must learn how to face it together. It should be together you stand and together you fall. It should always be together because it is what you have vowed for in the first place.
The success of your marriage will come after you both work hard together to make it. Otherwise, if only one will work, nothing is going to come that off easily or worst there is really nothing going off. Marriage is a process where we continue to strive to attain perfection and success. It is not a task that you should be obligated to do. You say 'I do' because you love your mate and this will involve great responsibility as a spouse. So together you should conquer your relationship.
Next, your relationship will very much depend on how you respond or cater to each others needs. Of course, part of that would be facing problems with financial or maybe even problems involving your kids but that is off the topic. What I mean about responding to each others needs is how you compromise to get to a certain agreement on various things to keep your relationship going. You cannot just go ahead and plan out on your own without involving your spouse into the situation. It is about how you do things differently without having to argue a lot on one topic over and over again.
Another thing would be to cut down habits that you might have developed at the course of your relationship. There may be some things that you did not have when you were single that you developed during your marriage. And this something could be one that your spouse would not enjoy looking at or can raise arguments later on. You must be able to pin point them yourself and try to lessen it up a bit. It is important that you know what you would feel if you were your spouse.
It is completely inevitable for people to change because change is the only thing constant in this life. However, you can get along with each other's changes by acknowledging them and be able to tolerate them or better yet keep them in moderation for your and your spouse's sake. It is alright to develop new ideas, new interests and desires especially within your relationship but it is not alright if you do not put your spouse into consideration. Otherwise, if you give it even a little time, it could work out for both of you later on.