Infidelity Support Group
Any relationship in which one partner engages willfully in sexual relations with another outside of the partnership is considered to have experienced infidelity. This breach of trust is often traumatizing for the faithful partner as well as the relationship, and support is often needed to heal emotionally and to decide whether or not the relationship should continue after...
I admire how you and your wife have made such positive changes, it is inspiring.
Each hurt spouse is different in the amount of info they need to process and deal with what has happened. If you don't get what you need, it can delay or prevent "getting past this." One of the, if not the most popular articles on my blog deals with this:
Narrative Reconstruction
http://healinginfidelity.blogspot.com/2013/10/narrative-reconstruction.html
As to why the CS may not want to talk about it, it could be several reasons, some of the more common listed here:
http://healinginfidelity.blogspot.com/p/help-for-new-betrayed-spouses.html#Q4