If you are married then you most likely at some time have faced problems, it is a fact of life. The best way to deal with the problems is straight on. Sit down and talk to your partner and see what the issues are and come up with the best way to work through them. Holding on to problems and grudges leads to built up stress. And, as we all know, stress causes many different health conditions.
You can overcome any obstacle that is put in your path if you truly want to. The key is if you truly want to or not. It will require effort to make a marriage work. There is no easy solution, just time and true dedication to each other.