The first thing you must do in order to save your marriage is to stop doing the things that are harming your marriage. Easier said than done, right? Yes, but you've got to try. If it annoys your spouse, hurts your spouse, angers your spouse or alienates your spouse you've got to stop it. Obviously that doesn't mean you put up with being mistreated, but it means that whatever is in your power to do to stop the negatives you do with all your might.
The second thing you must do is start doing the things that build and strengthen your relationship. Speak kindly, but don't grovel. Compliment, but only when you can be sincere. Be appreciative and supportive. Improving the frequency of love making is often helpful unless that is a source of your problems. If that is a source of your problems, the quantity likely should not be increased until the emotional state of the overall relationship improves.
Third you must learn how to negotiate a win/win situation. Compromise should be the goal as long as what is being compromised is not your convictions or safety. Figure out how to get as close to a situation where you each get what you want as possible. Take your time and make as many decisions together as possible.

