Stop asking yourself what if you can't do it, and instead as yourself what if you can? What if you can write a bestselling novel? What if you can accomplish your dream to be a published writer? If you're willing to work for it, you can.
La vérité, Boris Cyrulnik [The truth To find happiness, you have to risk misfortune. If you want to be happy, we must not seek to flee misfortune at all costs. We should rather investigate how - and thanks to that - we can overcome it.