What are you doing at work when you feel the happiest? What skills would you relish employing even if you weren't paid to use them? Focus on them.

Focus on motivated skills. Doing so enables you to derive the _most_ satisfaction from your career while differentiating you from your peers. As you go about your days, you can identify these skills by paying attention to how you feel as your day progresses. What are you doing at work when you feel the happiest? What skills would you relish employing even if you weren't paid to use them?
(William Arruda and Kirsten Dixson, Career Distinction, p53)
In other words, focus on your stregths.