He knew he'd be excluded for not agreeing seen different for having an opinion. Usually a push over and taken lightly this time he stood his ground.
Why should he give up who he is to be liked to be accepted when everyone else made no changes or a difference to help others. He was tired of all the expectation of others.
They didn't care what he thought or how he felt. Like anything they said or did was more important. He cleared his mind showing no feelings or emotions wore a bold face as they bad mouth him to anyone who would listen. They looked down on him because he didn't give up on himself since he didn't do anything wrong.