I think it's different for everyone, what they believe, who they really are etc.
I don't think it necessarily has any deep meaning to who she really is as such, but maybe that she's more just curious about things she's not tried.
If you're not comfortable to try these things then don't. My husband had a certain fantasy that I didn't want to do, ever, and because he thought he wanted to make it reality it caused a lot of hurt and arguments. Confused between wanting to make him happy and not wanting to do it, in the end I just said it was never going to happen and if that was going to be an issue then he needed to find someone else who was happy with that.
Don't do it if you don't want to.