Everyone forms cliques and acts like they are loyal when they were bad mouthing everyone. The nerve no one cared when he struggled but now looking for him to help out. They bailed on him he got use to being alone now they want a favor or have expectations of him.
Half the time they push him out he fought to fit in he learned its time to walk away. Why stay he felt used up and tossed out like trash. He would go the extra mile for them and they wouldn't do the same.