If someone comes to kill you, rise and kill him first – If you think someone has the intention or the action to come and kill you – kill him first! You don’t fight! You Kill! Extract the Circus Out! Killing should not be entertainment.
Many Martial Arts and Fighting Sports incorporate the entertainment factor. Hard training involves any possible performance to achieve the sports winning goals under its rules which also contribute to the need to excel. Being able to move your body fast over many planes and deliver impact and push and pull leverage navigating quickly around your training partner withstanding long endurance makes you feel good and relaxed and somewhat confident.