As your shoeing career progresses, you are going to have clients who raise your blood pressure as soon as you see their name on your schedule. After working hard to build a solid business, getting rid of clients seems to fly in the face of your desire to increase your client base and income. But firing clients just might be what your business and your mental health need.

“Entrepreneurs have this horrifying sense of scarcity, that the customers they have are the only ones in the world,” says G. Richard Shell, professor of legal studies and management at the University of Pennsylvania’s Wharton School. “That is not true. But [firing clients] takes courage.”

Of course, you don’t want to fire a client who you cannot afford to…