Sounds like she's got some amount of control over the situation. SHe may be being completely honest with you, but you still need to be careful. Make sure she's not cake-eating. Do what you can to get the facts, without seeming to 'probe.'
Baby steps, but be cautious about trust.
Formerly SGfan M:38 W:33 M:8 yrs T:10 yrs Bomb: Dec '08 Separated: 4/18/09 Divorce: 8/28/09 XW Affair began: April 08