Learning to live with numbness while getting 'better'

Even though I still have a partially numb tongue (a 3 ice-cube size area of my left underside has no sensation whatsover, it feels like a lifeless sandbar in the middle of an ocean.) I feel like I gain another fraction of feeling back every month, when I least expect. You can tell the area in question when you try to twist your tongue in your mouth. The unfeeling section feels cold and dead. Like my tinnitus, it's a condition that I've learned to live with.