I'm full of fear
Do you think you can disregard those fears and live a happy life?
I feel I'm a coward and I can't let go of my fears alone
I see that you know that you would like to get rid of your fears, but you may be unwilling to do so. In order for you to start, you should get help from people you know and that you are sure of having the ability to help you get rid of your fears so that you would feel free of them.
I can't do it alone, you need to teach me how to overcome my fears.
I can teach you things that I know, and I will surely help you overcome your fears, but you can also get help from other professional people who can help you train for the better. I will support you along the way, whenever you need me.