["My friend signed us up for belly dancing classes.  I really want to go, but I'm a little bit scared", "Oh, it sounds like fun! I'm sure you'd have a great time.", "I'm hoping I'll get over my fear and go"]
Lots of people do that nowadays. I think you would be happy you went.
My friend signed us up for a belly dancing class.  I want to do it, but I'm also scared