Entrepreneurs do run out of creativity when faced with tough challenges in the art of turning ideas, resources and people into products, systems and teams that drive commerce.  In the middle of all the hats business owners have to wear to make their business work, they often have to tap deep into their creative side (what you call ‘thinking out of the box) to tackle difficult problems that arise in business. However, many entrepreneurs don’t do this, either because they are caught up in the day-to-day management of their business(es) or making decisions. ......