Gaining weight is every woman's worst nightmare-and her boyfriend may be to blame! Studies have shown that when a woman is in a relationship, she almost always gains weight. In Your Big Fat Boyfriend, fitness expert Jenna Bergen explores why this phenomenon happens and how a woman can combat it without alienating her sweetie.Readers will discover:* The differences in male and female metabolisms* How to eat healthful meals when dining at not-so-healthy places* Creative date ideas that will keep couples active* Good-for-him (and her!) recipes that taste great and won't leave the guy hungryComplete with humorous first-person accounts, quizzes, and fun sidebars and charts, Your Big Fat Boyfriend will strike a chord with any girl who's ever dated a diet disaster.