I hope I can help add some perspective on remorse from the cheater's perspective. I was the WH and had an emotional affair. Whenever my wife brought it up, I treated her really poorly and cruelly. It wasn't until almost 9 months later, when I went to a meditation retreat, that all my emotions of guilt and shame came pouring out. I cried, apologized, and begged my wife for forgiveness.
However, this was still not true remorse. Because I just wanted my wife to forgive me to remove my own guilt and shame. I think true remorse comes when you begin to change into a better man, into a person that would not have an affair. True remorse is when the better man truly cares and accepts responsibility for how he hurt you.
Married 6 years Separated 1 year Divorced 1/1/17 me 35 wife 30