In the erudite words of Chris Rock, "When you meet somebody for the first time, you're not meeting them, you're meeting their representative." So what do you do when, a year down the line, your girlfriend's representative—and, with it, the voice that was prodding her to eat right and work out—has packed up and left? Feb 13, 2005  · A User’s Guide To Middle School Romance. "Don’t dance with another girl…