your Master Chief or John-117 and your currently doing a mission alone till your ai Cortana decided to speak "still working hard Mr. Grump?" you grunt in response as she laughs hard as you speak "little shit" she snorts "wow didn't know the big brooding legendary Spartan in green armor swore!" she laughs again as you sigh and pull her chip from your helmet as her small ai form appears smug as hell "your a brat" you say to her as she smirks more and responds "you love it" causing you to sigh again