I can totally understand feeling vulnerable. It's okay to have a little crush on a guy, and it's okay not to act on it too. Just being friends is a good thing. I hope it turns out to be a good friendship, he definitely needs a friend and so do you.
Like bizi said, you're worth it!
__________________
I love my family, my friends, (this means YOU!) my cat, my nails, my Necchi sewing machine and my turtle!
.