Fear will always be with you when you’re attempting big goals. That’s perfectly natural and there’s nothing to be “fixed”. The antidote to fear is to take action immediately.
If you’re not feeling some anxiety, the goal will not change your life. You need to stretch yourself slightly. Discomfort equals growth. Follow your discomfort.
Persevere. Success rarely happens the first time. You need to stick with it through thick and thin. If you fail, get up, dust yourself off and keep swinging for the fences.