I would be scared too, believe it or not. Scared is normal for a situation like you find yourself in.
I have to say that what you are doing is one of the most courageous things I can think of, so Kudo's Buddy.
Do it if you are able. If not, every one of us will understand that also.
“Life’s journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy ____…! What a ride!’” ~Hunter S. Thompson