Fortunately I can have my cake and eat it, too. Thanks Marie Antoinette! With the Paris Velib public biking system in full swing, looks like excessive calories, wine, and cheese won't force me to buy new pants once in Paris!
You can read about it here at the Conde Nast Traveler Daily Traveler blog.
I've already tried the bike, and let me tell you, it's a thrilling rush that left me a) sweaty with soar calves and b) wishing I had a helmet to preserve my life.
But totally worth it!