Get all passwords. Should be no secrets between spouses like that. Make sure you have access to any email accounts, Facebook, etc. Not to break trust but look in her private areas, purse, wallet, etc for any notes, passwords, etc. Make sure you put everything back the way you found it. Also if you have a home computer consider getting a key logger.
DMB
M:18 T:22 S 15 S 10 D9
Bomb Dropped 5/22/2010 EA with old college BF discovered and Exposed - 5/25/2010 MC begins 5/25/2010 EA contact cut off 5/28/2010 Current - DBing - 180's and joint MC sessions