But if this is critical to HER, it may explain why she can't admit an affair, assuming that if it looks like an affair, it is an affair. At least you're pretty smart about that. But she may never be able to admit it, keep that in mind--if she faces that, she might not be able to face you again.
OK, I better play it safe and not bring up the A. The little voice in my head was telling me to force that discussion. For now, no talk of A.
