How to forget cheating?

[MePlus3]

First, you will never forget. A traumatic situation like this is unforgettable, but you can learn to forgive and you can learn to move on. If you want the relationship to work, you have to learn to forgive and move on. otherwise, as you know, it will haunt you in all ways. She has to understand that what she did has caused you to have doubts about her trust, however, she must feel the same way about you, if you have been separated for 3 years and still not divorced. Sounds like you may need to make some decisions about how you want to end one relationship before you decide to continue with this one. Best of luck...you are in a tough spot.