How to be brave
Admit that you fear
First of all if you really would like to be brave you have to admit that you fear. If you deny it it will be always there and you can't change it. If you admit it you will have the power to control it.
Practice the habit that you always act
Don't let fear to stop you. In fact you can even use it to make you more powerful. Transform you fear into power. Always act and you will notice that fear is starting to dissapear.
Decide that you will be brave
Beleive it or not it is always up to you that you are brave or not. You can always decide to be brave inspite of the fact that you feel fear.