Fashion girls — they can be counted on for the latest advice in dressing and trends, but there's one other area where they have a specific expertise: dating. Hey, Carrie didn't land Mr. Big for nothing. So when the bible on the subject landed on our desks, we put everything else on pause and got to reading. Turns out there are 22 undeniably essential rules in Stephanie Simons's adorably illustrated All's Fair in Love and Wardrobe: A Fashion Editor's Rules on Shopping For Love. And much like you'll consult your favorite glossies for tips on restocking your wardrobe for Fall, we suggest you give these credos serious consideration.