The natural habit of a human mind is to feel anxiety and fear whenever a person tries to do something new and challenging in their life. It is well said that success comes to those who dare to act.
You should be brave and stay focused on your life to achieve your dreams. You must be positive towards everything and always keep moving towards what you want to achieve your goal.
If you bring too much negativity and fear in your life, it will be difficult for you to succeed because you will more likely make mistakes and take the wrong decision.
If you can stay definite about what you want, then the obstacles and problems will not bother you much.