Because then you constantly itch, you end up finding yourself to spend your time to put band aids on
so it won't spread to your eyes when you sleep on
your pillow, you can't eat a lot of foods that are good for you (nuts, bread, cereals, chocolate, coffee, etc..)
If you don't know what I mean, look up arginine deficiency and what it does to your body.
I am not dead yet but I am EXTREMELY depressed, I aged an apparent 10 years in the last 2. People at work don't even recognize me.