The role of the Attorney General is not to be the Presidents' enforcer. The AG is not the President's hitman. The AG's office is not the President's praetorian guard.
It is only in third world autocratic hell holes like Venezuela that this is the case. Given that Trump admires this form of government and his supporters don't give a shit about check and balances, it is no surprise that Trump would want to fire Sessions. The constitution was mean to be trampled and defecated on if your name is Trump.
I don't know... To me a person has to get tired of the attacks, and the false accusations of collusion with the Russians, and the false dossier that got it all started.
Then you have hollyweird attacking him because they feared his administration was going to clean up that pit of devil's over time, and bring back the things that once produced great citizens in our society (maga)
Then you have multiple groups who are using each other in order to keep their pie in the sky going, while trampling all over other citizens rights, beliefs, freedom, liberties, and life as they wanted for their children and grandchildren.... They lived life without any resistance given because they knew what they were doing was right in regards to raising great citizens, and living peacefully together in this nation. Wow was they wrong for allowing their gaurd to be let down for far too long and/or all due to their selfishness and greed in which destroyed their common sense in life.