Okay. Just know that once she KNOWS that you know (the moment she lies to you, and you put down your boundary), you gotta put on your game-face for the long-haul.
Is your evidence that she's currently spending time with him ROCK-SOLID?
M: 40 H: 44 Married 14 years S11 & D6; D20 & D19 from previous M 2BDs/PAs, 8 years apart Piecing: April 2014