Why is this happening? Is there something boxers are taking that allows them to push forward mentally when their bodies are saying "Absolutely not!"? Or is it just the fighter's mentality to fight to the death?
There are many factors ,one of them is that quitting in boxing is not acceptable , in MMA if you get caught in a submission and tap out, the fans don't give fuck they will say he got caught and still watch your fights , in boxing even when you don't quit like Anthony Joshua against Ruiz ,the fans will call you pussy , coward ,bitch ........................
....there are many other factors like adrenaline , heart , will to win , money ,family , ................notice how some of the boxers who died they collapsed right after the end of the fight , obviously they were feeling like shit way before that but in boxing even in the amateurs you don't want to show weakness ,even when you have a massive headache and your trainer ask you are you OK you say yes I'm fine , even when some shady promoter from small town asks for a 125 lbs fighter ,you train your ass off to make weight, and you get there the dude you are fighting is 140 lbs ,you still fight him because you don't want to be seen as a pussy...................
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Check out this fight , look at Mc Clellan blinking ,feeling something he never felt before ,still got up to keep fighting and listen to the commentators basically calling him a pussy, a quitter ,
This is Mc Clellan now after that fight .