The holidays are a distant memory, and all that mirth and good cheer has transformed into a thick layer of blubber around your midsection and thighs. What’s there to look forward to? Valentine’s Day a month from now? Sorry, that ain’t gonna cut it. It’s time you stop feeling sorry for your sad-eyed self and get that blood pumping. Trust us, you’ll thank us next time you disrobe before a loved one or have to run after a bus on the way to your dead-end job. At the risk of further subdividing the citizens of New York, we’ve put together this little breakdown of the three main body types and what they need to do (and not do) to look their best in 2007.