Exod.4.3 And he said, Cast it on the ground. And he cast it on the ground, and it became a serpent, and Moses fled from before it vs.3 And he said, Cast it on the ground. And he cast it on the ground, and it became a serpent, and Moses fled from before it. (KJV). Doubt is no respecter of age, time, reputation, or standard. It affects eventually everybody but how people manage it matters differently based on individual understanding of what they want. One of the proven secret weapons for doubt is to take ACTION, taking action limits the power of doubt and foster validation of our ability. If doubt is the major reason why you aren't taking steps or daring those dreams then listen to me dare to take action and see what happens to you. God is rooting for you and I'm also rooting for you. Go take charge of your world.