He was tired and sore tired of everyone talking about everyone. He gave his all while others act like they do everything acting like they help everyone. Its for their own selfish gain. Doing way more than the person running their mouth.
He didn't care for all these made up rules others made. Be this way do that and they don't even do it. A bunch of noise being made that doesn't help others benefit. He just focused on the work he didn't care about gossip or work politics.
He was thankful and grateful for his job. It was very demanding. He busted his **** took pride in his work. He didn't speak Spanish so he got the 3rd degree. Being Mexican born in the US they see you as privileged and lazy.
He did those impossible jobs and jobs no one wanted to do.