Summary: You can never undo the past. No matter how many times you throw a penny in the well, or wish on a shooting star. None of those childhood fairy tales will get you any where. You get yourself to where you want to go. That's how your future starts.
But how can I start my future when I haven't even got a chance at starting one? Well that's the funny thing about futures. It always changes at what you decide to think. Believe. Or do.