I am not vet so I cannot offer any advice unfortunately. But, I believe that you have made the first step, which is showing remorse.
Have you read the DB/DR books? What issue existed in your marriage before this situation? What can you do to work on you and become the wife only a fool would leave?
Me: 40, W: 40 M: 15, T: 18 D - 10, S - 7 D announcement 6/7/2014 A discovered 7/20/2014 (but denied by W) Still living together and sharing same bed