The Benefits of Being Overly Optimistic About Your Chance of Success

There's no objective standard of reality by which to judge whether people are self deceiving. Give up after five minutes on a puzzle that tells us very little about whether they would give up, you know, in the marathon of starting a company. The marshmallow test just comes to mind. It doesn't generalize very well to real world situations like whether it being overly optimistic about your chance of success as an entrepreneur is helpful to you or not.