How to wrestle/rough house with a girl?

I'm interested in this girl who likes to be kinda hands-on and be playful and wrestle sometimes. Not like on-the-ground wrestling, but just jabs and holds and stuff. However, I've never really had a close relationship with a female friend or family member where I did stuff like that, so I don't know how to appropriately "fight" with a girl. Can someone give me some pointers so that I can be normal and avoid hitting...sensitive areas or the like?
How to wrestle/rough house with a girl?
Post Opinion