As long as your wife keeps fantasizing about OM she's still cheating and she's got to knock that off...
The best way to put an end to that is as always.. hit her with reality... Indirectly is your BEST option here... her reading OMW facebook account and learning OMW is having sex with OM and them planning a second child will show her pretty clearly that DOOR is CLOSED. AND you don't end up looking like the bad guy cause you weren't involved.
Your wife IS lying to you in a way. You warned her that she was a threat to OMW's marriage and she denied it... But secretly she's doing google searches on the guy and fantasizing about him, not to mention pursuing conversation with him after being explicitly asked NOT to...
She IS a threat, and I think she KNOWS that... but she LIED to you and covered that fact up.
I don't know if you telling her she is a threat helps your case though, it may even give her some silly hope that her fantasy has a chance of happening for real...
OMW needs to show your wife that your wife is NOT a threat at some point. THAT is going to kill this thing for good... when your wife actually realizes she's NOT going to put a dent in that marriage... Right now I think she still hopes she can...
