Good coaches, mentors, and managers should be experts at identifying and exploiting the overlap between these two factors.
Just like the girl in the above example, a great manager will push you to your limits but never ask you to do something you’re not capable of. They’ll ruthlessly exploit your strengths while minimizing your weaknesses.
The complete post here.
To me expanding the overlap in the circle is important. Sure it’s more stressful but it can be personally rewarding as well. Not every one’s lucky to find a manager who can exploit their potential.