Figure out what she's good at (it could be sports, academics, her job) and what she takes pride.
Youre there for the good times and the bad times.
Youre really fun to be around.
While its both a good thing and very tempting to try to talk yourself up when you initially meet her, this could be dangerous.
You want to do everything you can to come across as an interesting, relaxed, and likeable person.