These fears that embroil you are rooted in your "lizard brain"- that old reptilian bit that is hardwired to keep you safe.
Mr Lizard has no interest in expression, expansion, or evolution. These all actually terrify him because they all involve change, and change involves the unknown, which scares him most of all... there's no way of knowing how safe it will be.
Do you have a regular prayer or meditation practice?
Making such a part of your daily routine will help you connect with your own infinite and eternal nature, and through this connection, discover the deep peace and understanding that is unique to you.