You go to the doctor and he tells you that you have a bacterial infection that will never, ever go away. It will literally eat away a crucial part of your digestive system unless you do a chemical treatment twice a day, every day, and do painful semiannual follow-up treatments with your doctor … for the rest of your fucking life. Sure, it’s not a death sentence, but the sheer weight of it kind of makes you want to give up — you can just see this burden stretching out in front of you, forever.
But, of course, I’ve just described brushing your teeth.