We’ve all heard statistics that around 90 percent of startups fail. Well, bah humbug. Yes, these numbers are grim, but if every excited entrepreneur subscribed to such Uncle Scrooge-like fear, we’d be a country void of innovation and new opportunities. So go after the American dream, motivate yourself to be the next Steve Jobs and forget all those naysaying stats. But before you do, take to heart the following reasons some young companies thrive while others fizzle.