The way you behave with people is at least as important as the words you speak.
The story you tell is at least as important as the subject you are narrating.
The marketing you deliver is at least as important as the product you have come up with.
The point is, there is appearance and there is substance. Pretending one does not exist just because it makes you uncomfortable is heavily limiting your own possibilities to succeed.
Make the effort to align them instead. Make behavior and words, story and subject, marketing and product go hand in hand. Bring one at the same level of the other. Make them support each other and be in harmony.
That’s when the feeling of uneasiness will just go away.