i use it for my first degree testing two aspirin and an energy drink.my testing consisted of a form/kata, 2 board breaks and to free spar with 3 people one higher rank, one even and one below.......did fine until the higher rank caught me with a crescent kick that caught me just over the eye and ripped a 2''gash in my head..din't feel a thing and wanted to keep going...... i think the aspirin/energy drink/adreniline rush killed the pain cause i never felt any pain the whole time and even after .. no pain...
after that i experimented and it seems i feel better and can last longer sparring when i take a dose of aspirin.......may just be a psycological thing..i don't know....... it seems to help me.......

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