When it comes to marriage, there are things that you are responsible for doing that are so important to the marriage’s success. But, we could list an endless list of these things. Instead, though, let’s talk about those things that are most important in marriage.The most important aspect of marriage is communication. If you can not talk to your spouse, your marriage will have no room for growth. Communication builds trust as well. It is important to maintain a good trusting, marriage. Communicat.