Do you have any hobby which you find rewarding in itself?
(Note that I am not saying "find something outside your job where you can excel" - I mean "try to find something you like doing for the pleasure of it an see if it helps you finding some satisfaction in doing it, without any competitive aspect".
(Note that I am not saying "find something outside your job where you can excel" - I mean "try to find something you like doing for the pleasure of it an see if it helps you finding some satisfaction in doing it, without any competitive aspect".