There are two important things I can say to you if you are asking how do I save my marriage? The first thing is the proactive part, and that is if you are asking such question because you want to preserve your marriage with your spouse by doing things to enhance your relationship as a couple; preserving it to avoid divorce in the future.
 Congratulation for being a good spouse; if this is your motive for asking the question.
On the other hand, if you are asking the question because your marriage is in trouble and you are desperate enough in trying to get back your spouse; then this is one of the most unfortunate situations to happen in your life.
This experience could be painful enough to greatly affect your emotion to the point of giving in to its desperate move by going after your partner and beg your spouse to come back to you.
This is one of the biggest mistakes that many people committed when faced in this kind of situation because it tends to push your partner farther away from you.
If you look needy and desperate in front of your spouse, your partner will tend to avoid you and eventually left you in the end.
Therefore, one of the best methods of solving your problem on how do I save my marriage is to calm down.
This will clear your mind from being on a desperate state that makes you do desperate things unfavorable on your end.
Once your mind is clear, you can easily manage and control your emotion; making you more competent in coming up with better plans to solve your problems on hand.
This will make further help your change your question on how do I save my marriage into a proactive one.