Selling = skill set + timing + intuition The uncertainty, that is inherent, in sales conversations is the moment you stop your mind and go with your gut because it sees into the Unknown.
Ask yourself this when someone says you can't do it. What's holding you back? Exactly. Nothing but them and you, but only because you are letting them.
Dear Self. You know what they say about perfectionism...don't you? Why you don't have to be perfect, and in fact it's necessary that you don't try to be.