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...
You may find the following two articles helpful:
The Blame Game
http://healinginfidelity.blogspot.com/2013/09/the-blame-game.html
How Could He Have Done This to Me?
http://healinginfidelity.blogspot.com/2013/08/how-could-he-have-done-this-to-me.html
Hope you can find the support you need here.
This is sad for all parties concerned and I am very sorry it happened to you.
He very well likely may be a lazy slob. Read this:
http://www.survivinginfidelity.com/forums.asp?tid=326449