"I'm not sure about why your doubts would be in your mouth or why you would need to push them to the side..."
You're taking it too literally. She just means not to doubt yourself, and push any doubts you might have out of your mind.
"I'm not sure about why your doubts would be in your mouth or why you would need to push them to the side..."
You're taking it too literally. She just means not to doubt yourself, and push any doubts you might have out of your mind.