That's the biggest reason I am trying to really figure out if my H is having an affair, whether EA or PA - because I know beyond a shadow of a doubt that dealing with infidelity is different than dealing with someone who is going through MLC or something else! I've been there - and have been successful in dealing with infidelity: PA in my first marriage and EA early in my current marriage... Dobson's book is a MUST HAVE in fact, for anyone wanting to know about the psychology of relationships.