Hi,
I think I have a little insight into how or why affairs can last so long.
My X told his sister that she does not understand that he can not have a failed marriage AND a failed relationship.

That is amazingly understandable, in a twisted sort of way.

Bomb 1/06
D dismissed 11/07, attempt reconciliation. Premature.
Divorce final October 31, 2008.
OW looks like bad history. Over.
Still hopeful. Baby steps.
In R with my X.