About a month ago, I had a quick telephone call with a prospective marketing student. On the other end of the line stood a sharp entrepreneur asking me some tough questions about our training program. After a few minutes, she asked me one of the best questions I’d ever received. “Matt, what are the character traits of the entrepreneurs who don’t succeed?” The question really got me thinking. Frankly, I can’t remember what I told her, but the question stayed with me. Last week, I took out a pad of paper and thought of about seven marketing clients who were terrible business owners. I added several more of my student quitters to this list. I then realized that almost all of them fit into one of three categories. In today’s post, I’ll share these three personalities and why some people will never be successful in business.