As I already said. The first thing to realise is we all have doubts. We are not broken, or a loser, or a failure, or damaged goods because we have doubts. We are human. We all have doubts sometimes. It is when we have too much doubt, for too long, which paralyses or stresses us, that it is time to do something about it.
My recent experience with doubt was before I delivered the presentation the other day. It is normal to feel some nerves before a talk. I always do. But those I can breathe through. This was doubt with a capital D. I started second guessing my ability to make an impact, to connect with the audience, to keep the energy going in the room, to teach and to entertain. And this doubt followed me for 30 mins into the presentation. The doubt I experienced left me when I did some of the following: