Measure your own success.
How do you define success? Is it the size of your paycheck or having the corner office? Is it the feeling you get when you know you did a great job on a project (praise from the boss doesn’t hurt) or the one you get when you know you helped someone? Perhaps you feel successful after putting in a day at work and coming home at a reasonable hour to spend time with your family. Since each of us measures success differently, you are the only one who can decide what it means to you. Your satisfaction with your career is strongly linked to whether you feel you have met your own, and not anyone else’s, definition of it.