On your first dinner date, she may bring that friend along who secretly fancies you as a chaperone. Whatever you do, do not suggest a ménage à trois. This is the equivalent of "double or quits," invariably resulting in the latter. Combined with a swift kick in the knackers. Oh, and start using her name, women like that.
Next: Step 5: "I've barely had a drop, offi-slur."