I lurk here off and on as you probably know and IMHO you really are crazy if you think this is okay!!!!
An EA that becomes a PA which is what your W is doing/thinking of doing is...totally unacceptable.
Maybe you think well allrighty she will maybe have sex with the guy and somehow get it out her system..sorry not going to happen!!!
You have to have boundaries ...a bit like kids if you knew they were going to do something destructive you would at least TRY to stop them ....not say well alrighty then do what you feel you must and we'll face the consequences afterwards.
Grow some balls..sorry but only thing I feel appropriate right now unless you really don't given a damn about her or what she does.
