Don't confront yet. Lay your evidence out here, if willing to share. More experienced folks will advise.

Me-53
W-49
D22,D18,D15
T-Since-12/2001
Married-9/2004
She Moved Out-5/28/2010
Piecing start-04/2011
Now-together
Thread
http://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2079304