old man card

my sensei says i play the old man card -54 -when trying to do the physical aspects of gesar karate and to some point he is right as i constantly have to fight my nerve damage ,bad knees,hip playing up and when my brain is not playing ball with my body .i don't know if i am that old as stiil do weights,light cardio ,karate ,walk so i am going to try harder next time.