If you are looking for some tips on what to do to save your marriage after infidelity read below. These are only some recommendations but if you really do not know where to start these can help.
1.If you had the affair admit you made a mistake and let your spouse know you really want to save your marriage. As hard as it may be, confessing to your spouse will increase your chances for forgiveness in the future.
2.Have open discussions about what happened. If you do not talk about it regardless if you are the cheater of the cheated, you will find it more difficult to get through. If you are the cheater answer your spouses questions about why and how the best you can. Your spouse will be able to deal with this better if they have honest answers.
3.You can allow yourself a period of suffering but not too long. You may try to act as if nothing is happening when around other people, it may help you to have someone to talk to.
4.Start a journal so you can write in it to relieve stress. It will allow you to get issues off your chest by writing by hand, do not use your computer.
5.Do not rush decisions. Even not kicking your spouse out of the house right away may be a good decision. You will find it more difficult to repair things if they are gone.
Of course there are many more things to consider and finding a great book on the subject will be to your benefit. Of course marriage counseling is a great step to take.