- He and A had unpleasent experience at the other setting, and now he had to deal with him here as well
- He didn't want the people here to know, and now he has to deal with the raised expectation, or
- People here have someone to compare him with, and he is not unique anymore.
Life is full of distractions, and the biggest of which are the ones we create for ourselves so that we don't have to face the real issues in our life. Ask him what is the real business for him being there, and focus on that.
