it's not about passing, it is about being comfortable with your body. If that means do only a few things, that's fine. If it means going all the way, that's fine as well. You need get out in public and see if you are comfortable as you wish to appear in public. Yes, you will have to deal with fear but the good thing is fear is short lived. Some people only have it for a few hours while other may take longer. You are coping and surviving as long as you don't push your limits. Once you do, you will discover the limits you have lived with for so long are just an illusion.