you were training under Sanemi when you started to lose your strength in your legs and your grip on the sword. He obviously got mad but took you to shinobu who explained that you had developed Amyotrophic lateral sclerosis or ALS. This meant you were going to lose all your motor functions and they were going to die prematurely whether you liked it or not. Sanemi was livid and started pacing back and forth dragging his sword behind him as he did