He is very emotionally immature. That usually stems from childhood issues that an IC could help identify and treat. Tell-tale signs of this type of behavior are all the silly statements about passion he makes, use of phrases like "soul mates" and all that silly crap. Unfortunately that type of mental illness leads to affairs. They seek out other people with the same mental issues. People who think life should be all rainbows, unicorns, soul mates. That's not life. He has to learn what life and marriage really is and stop chasing unicorns because they're not real. The grass is not greener out there. It's greener where you water it.