Lol, didn't even know anyone here smoked. Keeps surprising me sometimes. Anyway, good luck keeping it up I don't drink, don't smoke, and don't do drugs. All because I wouldn't know why I should.
Ignore everyone above me. If you use a credit card, you don't need a Paypal account afaik, even though Paypal still does the transfer. For the Paypal email field in the form of step 2, just fill in your contact email / email you gave during the credit card transfer (if you gave any).
Instead of bashing her lifestyle, you guys could actually give an answer. Why does everyone HAVE to be so judgemental. Most of the people here already have L4D and L4D2, so I don't think you'll find anyone here. Too bad you missed out on the Killing Floor deal around Christmas. It was about 10 bucks back then.