Sounds like this guy was going through a crisis, ran into someone who made him feel sort of special, and he was hooked for a while. One day he woke up and realized the insanity of it all. When he let her know, she was ditraught, couldn't believe she was losing him, but realized she was holding some aces!
These guys need to have continual classes on keeping their lives in order...but then, the whole push of the left is to tear down all morals pillars of our society. But even though they really don't disagree with what he's doing, they'll use it for political fodder!