They also tend to be extroverts who crave recognition. Money is nice but of secondary importance. I'd learn from my mistakes and start over. I'd be very shaken but would eventually recover. Many if not most successful entrepreneurs have started more than once.
Failure is a very real part of small business.
It is essential that an entrepreneur be resilient and able to bounce back. Contrary to popular belief, entrepreneurs are not big risk takers. Several years supervising a variety of people and projects. A small business owner has to manage people to be successful. It's better to have made your managerial mistakes on someone else's payroll.