Doubt is a fear which builds up walls around you and prevents you from seeing the landscape in all its beauty. Doubt forces you to make choices and takes you back to the starting point. That is not bad, either. You start from the beginning.
But, think about whether that is what you have come here for. Have you decided to go back again and again, or are you interested in knowing what is behind those tall walls? The moment you clear yourself of doubt, like you would remove your coat in the spring, you will feel the lightness and joy which will carry you over those walls.
And when you turn around, you will see that those walls never even existed.