In the time I've been speaking, over eighty million people have died of stress!It may not yet happen now, but inevitably in the future, in your career you'll feel disillusioned, helpless, completely worn out, problems look unsolvable, the future looks dark, and you're disengaged enough not to care about practically anything to do with your career, even personal life and it could be fatal.
(waits a moment then snaps his fingers)
There's another one! -- Denholm Reynholm, IT Crowd
Welcome to career burnout. Tragically, you may not be aware that you're already suffering from it.