I have been eating ramen noodles for two years, so the determination certainly was there. Would you spend 5 years of your life on ramen? When is enough, enough?
What info should I add about the startup I'm working on right now? It's one of those Web 2.0 projects, hard to tell if it will ever make money. It's kind of cool, has a few users, needs a lot of work to grow it seriously and attract real funding.