If you were trying to win a new prospect, and they asked for references from existing clients or customers, are there any you’d be afraid to mention? If so, there’s a good chance they hold the key to your future. Learning from failures is a critical part of success. So when you fail to deliver, seize the opportunity and ask what you can learn. Is there a way your lapse could have been avoided? What would you do differently now? The answers, if acted upon, will make you better.