In every creative process, there is doubt, or risk as it is called in management terminology. When you create something you don’t know in advance if people will like it, use it, buy it, … You can try to minimize this doubt in advance, but to be truly creative you need to jump. You need to take the leap and convince yourself it will work. So each time you are in doubt and tell yourself, this might not work! Pause, and remember that the opposite is as likely to be true, this might work. Jump and take the leap!